One, wun, adj. single in number, position, or kind: undivided: the same: a certain, some, implying a name unknown or denoting insignificance or contempt, as 'one Guy Fawkes, a Spaniard!'—adjs. One′-eyed, having but one eye: limited in vision; One′-hand′ed, single-handed; One′-horse, drawn by a single horse: petty, mean, inferior; One′-idea'd, entirely possessed by one idea.—ns. One′ness, singleness, unity; Oner (wun′ėr), one possessing some special skill, an adept (slang).—pron. Oneself′, one's self: himself or herself.—adj. One′-sid′ed, limited to one side: partial: (bot.) turned to one side.—adv. One′-sid′edly.—n. One′-sid′edness.—One another, each other; One by one, singly: in order; One day, on a certain day: at an indefinite time.—All one, just the same: of no consequence; At one, of one mind. [A.S. an; Ice. einn, Ger. ein.]
Oneiromancy, ō-nī′rō-man-si, n. the art of divining by dreams.—ns. Oneirocrit′ic, Onirocrit′ic, one who interprets dreams.—adjs. Oneirocrit′ic, -al.—ns. Oneirodyn′ia, nightmare; Oneirol′ogy, the doctrine of dreams; Onei′roscopist, an interpreter of dreams. [Gr. oneiros, a dream, manteia, divination.]
Onely, ōn′li, adv. (Spens.) only.
Onerous, on′ėr-us, adj. burdensome: oppressive.—adj. On′erary, fitted or intended for carrying burdens: comprising burdens.—adv. On′erously.—n. On′erousness. [L. onerosus—onus.]
Oneyer, wun′yėr, n. (1 Hen. IV., II. i. 84) probably a person that converses with great ones—hardly, as Malone explains, an accountant of the exchequer, a banker. [No doubt formed from one, like lawyer, sawyer, &c. Malone over-ingeniously refers to the mark o.ni., an abbreviation of the Latin form oneretur, nisi habeat sufficientem exonerationem ('let him be charged unless he have a sufficient discharge'), or explains as a misprint for moneyer.]
Ongoing, on′gō-ing, n. a going on: course of conduct: event: (pl.) proceedings, behaviour.
Onicolo, ō-nik′ō-lō, n. a variety of onyx for cameos, a bluish-white band on the dark ground. [It.]
Onion, un′yun, n. the name given to a few species of genus Allium, esp. Allium cepa, an edible biennial bulbous root.—adj. On′ion-eyed (Shak.), having the eyes full of tears.—n. On′ion-skin, a very thin variety of paper.—adj. On′iony. [Fr. oignon—L. unio, -onis—unus, one.]
Onlooker, on′lōōk-ėr, n. a looker on, observer.—adj. On′looking.
Only, ōn′li, adj. single in number or kind: this above all others: alone.—adv. in one manner: for one purpose: singly: merely: barely: entirely.—conj. but: except that.—n. On′liness. [A.S. ánlíc (adj.)—án, one, líc, like.]