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3. A person who has taken the first or lowest degree in the liberal arts, or in some branch of science, at a college or university; as, a bachelor of arts.
4. A knight who had no standard of his own, but fought under the standard of another in the field; often, a young knight.
5. In the companies of London tradesmen, one not yet admitted to wear the livery; a junior member. [Obs.]
6. (Zoöl.) A kind of bass, an edible fresh-water fish (Pomoxys annularis) of the southern United States.
Bach"e*lor*dom (bch"*lr*dm), n. The state of bachelorhood; the whole body of bachelors.
Bach"e*lor*hood (-hd), n. The state or condition of being a bachelor; bachelorship.
Bach"e*lor*ism (-z'm), n. Bachelorhood; also, a manner or peculiarity belonging to bachelors. W. Irving.
Bach"e*lor's but"ton (&?;), (Bot.) A plant with flowers shaped like buttons; especially, several species of Ranunculus, and the cornflower (Centaurea cyanus) and globe amaranth (Gomphrena).
Bachelor's buttons, a name given to several flowers "from their similitude to the jagged cloathe buttons, anciently worne in this kingdom," according to Johnson's Gerarde, p. 472 (1633); but by other writers ascribed to "a habit of country fellows to carry them in their pockets to divine their success with their sweethearts." Dr. Prior.
Bach"e*lor*ship, n. The state of being a bachelor.
Bach"el*ry (&?;), n. [OF. bachelerie.] The body of young aspirants for knighthood. [Obs.] Chaucer.
Ba*cil"lar (&?;), a. [L. bacillum little staff.] (Biol.) Shaped like a rod or staff.
||Bac"il*la`ri*æ (&?;), n. pl. [NL., fr.L. bacillum, dim. of baculum stick.] (Biol.) See Diatom.
Bac"il*la*ry (&?;), a. Of or pertaining to little rods; rod-shaped.
Ba*cil"li*form (&?;), a. [L. bacillum little staff + -form.] Rod-shaped.
Ba*cil"lus (&?;), n.; pl. Bacilli (&?;). [NL., for L. bacillum. See Bacillarle.] (Biol.) A variety of bacterium; a microscopic, rod-shaped vegetable organism.
Back (bk), n. [F. bac: cf. Arm. bag, bak a bark, D. bak tray, bowl.] 1. A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.
Hop back, Jack back, the cistern which receives the infusion of malt and hops from the copper. -- Wash back, a vat in which distillers ferment the wort to form wash. -- Water back, a cistern to hold a supply of water; esp. a small cistern at the back of a stove, or a group of pipes set in the fire box of a stove or furnace, through which water circulates and is heated.