Grog, grog, n. a mixture of spirits and cold water, without sugar.—ns. Grog′-bloss′om, a redness of the nose due to drinking; Grog′gery (U.S.), a low public-house; Grog′giness, state of being groggy; Grog′ging, extracting the spirit from the wood of empty spirit-casks with water.—adj. Grog′gy, affected by grog, partially intoxicated: (boxing) weak and staggering from blows: applied to a horse that bears wholly on his heels in trotting.—n. Grog′-shop, a dram-shop. [From 'Old Grog,' the nickname of Admiral Vernon, who introduced it about 1745—from his grogram breeches.]

Grogram, grog′ram, n. a kind of coarse cloth of silk and mohair. [O. Fr. grosgrain.]

Groin, groin, n. the part of the body on either side of the belly where the thigh joins the trunk: (archit.) the angular curve formed by the crossing of two arches.—v.t. to form into groins, to build in groins.—n. Groin′-cen′tring, the centring of timber during construction.—adj. Groined, having angular curves made by the intersection of two arches.—n. Groin′ing.—Underpitch groining, a kind of vaulting used when the main vault of a groined roof is higher than the transverse intersecting vault, as in St George's Chapel, Windsor—sometimes called Welsh groining. [Ice. grein, division, branch—greina, to divide; Sw. gren, branch, space between the legs; Scot. graine, grane, the branch of a tree or river.]

Groin, groin, v.i. (obs.) to grunt, to growl. [O. Fr. grogner—L. grunnīre, to grunt.]

Grolier, grō′lye, n. a book or a binding from the library of the French bibliophile, Jean Grolier (1479-1565).—adj. Grolieresque′, after the style of Grolier's bindings, with geometrical or arabesque figures and leaf-sprays in gold lines.

Grommet, grom′et, n. a ring formed of a single strand of rope, laid in three times round, fastening the upper edge of a sail to its stay: a ship-boy. [O. Fr.]

Gromwell, grom′wel, n. a herb of the borage family. [O. Fr. grumel—L. grumulus, a hillock.]

Groom, grōōm, n. one who has the charge of horses: a title of several officers of the royal household: a bridegroom.—v.t. to tend, as a horse.—n. Grooms′man, the attendant on a bridegroom at his marriage. [Prob. from A.S. guma (in bridegroom), a man, Goth. guma, Ice. gumi, L. homo.]

Groove, grōōv, n. a furrow, or long hollow, such as is cut with a tool.—v.t. to grave or cut a groove or furrow in. [Prob. Dut. groef, groeve, a furrow; cog. with Ger. grube, a pit, Ice. gróf, Eng. grave.]

Grope, grōp, v.i. to search for something, as if blind or in the dark.—v.t. to search by feeling.—adv. Grop′ingly, in a groping manner. [A.S. grápian, to seize; allied to grab, gripe.]