Reciprocal, rē-sip′rō-kal, adj. acting in return: mutual: alternating: interchangeable: giving and receiving.—n. that which is reciprocal: (math.) the quotient resulting from the division of unity by any given quantity.—n. Reciprocal′ity, the state or quality of being reciprocal: mutual return.—adv. Recip′rocally, mutually: interchangeably: inversely.—ns. Recip′rocalness; Recip′rocant (math.), a contravariant expressing a certain condition of tangency: a differential invariant.—adj. Recip′rocantive, relating to a reciprocant.—v.t. Recip′rocāte, to give and receive mutually: to requite: to interchange: to alternate.—v.i. to move backward and forward: (coll.) to make a return or response.—ns. Recip′rocating-en′gine, an engine in which the piston moves forward and backward in a straight line; Reciprocā′tion, interchange of acts: alternation.—adj. Recip′rocātive, acting reciprocally.—n. Reciproc′ity, mutual obligations: action and reaction: equality of commercial privileges.—adjs. Rec′iprock, Rec′iproque (Bacon), reciprocal; Recip′rocous (rare), turning back: reciprocal.—Reciprocal proportion is when, of four terms taken in order, the first has to the second the same ratio which the fourth has to the third; Reciprocal ratio, the ratio of the reciprocals of two quantities; Reciprocal terms, those that have the same signification and consequently are convertible; Reciprocating motion, by this the power is transmitted from one part of a machine to another. [L. reciprocus.]

Reciprocornous, rē-sip′rō-kor-nus, adj. having horns like a ram.

Recision, rē-sizh′un, n. the act of cutting off. [Fr.,—L.,—recidĕre, recisum, to cut off.]

Recite, rē-sīt′, v.t. to read aloud from paper, or repeat from memory: to narrate: to give the particulars of.—v.i. to rehearse in public.—ns. Recī′tal, act of reciting: rehearsal: that which is recited: a narration: a vocal or instrumental performance, as a piano recital: (law) that part of a deed which recites the circumstances; Recitation (res-i-tā′shun), act of reciting: a public reading: rehearsal; Recitā′tionist, a public reciter; Recitative (-tēv′), (mus.) a style of song resembling declamation, a kind of union of song and speech.—adj. in the style of recitative.—adv. Recitative′ly, in the manner of recitative.—ns. Recitati′vo (mus.), recitative; Recit′er; Recit′ing-note, a note in chanting on which several syllables are sung. [Fr. réciter—L. recitāre—L. re-, again, citāre, -ātum, to call.]

Reck, rek, v.t. to care for: to regard.—v.i. (usually with not, and fol. by of) care: heed.—adj. Reck′less, careless: heedless of consequences: rash.—adv. Reck′lessly.—ns. Reck′lessness; Reck′ling, a reckless person: the weakest in a litter: a helpless babe.—adj. stunted.—It recks (Milt.), it concerns. [A.S. récan, from a root seen in Old High Ger. ruoh, care, Ger. ruchlos, regardless.]

Reckon, rek′n, v.t. to count: to place in the number or rank of: to esteem: to think, believe.—v.i. to calculate: to charge to account: to make up accounts: to settle accounts (fol. by with): to count or rely (with on or upon): to have an impression: to think: to suppose.—ns. Reck′oner; Reck′oning, an account of time: settlement of accounts, &c.: charges for entertainment: standing as to rank: (naut.) a calculation of the ship's position: (B.) estimation: value.—Reckon for, to be answerable for; Reckon on, or upon, to count or depend upon; Reckon without his host (see Host).—Day of reckoning, the day when an account must be given and a settlement made: the judgment-day. [A.S. ge-recenian, to explain; Ger. rechnen.]

Reclaim, rē-klām′, v.t. to demand the return of: to regain: to bring back from a wild or barbarous state, or from error or vice: to bring into a state of cultivation: to bring into the desired condition: to make tame or gentle: to reform.—v.i. to cry out or exclaim: (Scots law) to appeal from the Lord Ordinary to the inner house of the Court of Session.—adj. Reclaim′able, that may be reclaimed or reformed.—adv. Reclaim′ably.—ns. Reclaim′ant, one who reclaims; Reclamā′tion, act of reclaiming: state of being reclaimed, as of waste land: demand: recovery. [Fr.,—L. re-, again, clamāre, to cry out.]

Reclasp, rē-klasp′, v.t. to clasp again.

Reclinate, rek′li-nāt, adj. reclined: (bot.) bent downward, so as to have the point lower than the base, as a leaf.—n. Reclinā′tion, the act of reclining or leaning: the angle which the plane of a dial makes with a vertical plane, the intersection being a horizontal line: an operation in surgery for the cure of cataract. [L. reclināre, -ātum, to recline.]

Recline, rē-klīn′, v.t. to lean or bend backwards: to lean to or on one side.—v.i. to lean: to rest or repose.—adjs. Recline′ (Milt.), leaning; Reclined′ (bot.), same as Reclinate.—n. Reclī′ner.—adj. Reclī′ning (bot.), bending away from the perpendicular: recumbent.—ns. Reclī′ning-board, a board on which persons recline to gain erectness to the figure; Reclī′ning-chair, an invalid's chair. [Fr.,—L. reclinārere-, back, clināre, to bend.]