Bathometer, bath-om′et-ėr, n. an instrument for ascertaining depth. [Gr. bathos, depth, metron, measure.]

Bathorse, baw′hors, n. a packhorse carrying the baggage of an officer. [Fr. bât, a pack-saddle.]

Bathos, bā′thos, n. a ludicrous descent from the elevated to the mean in writing or speech.—adj. Bathet′ic, irregularly formed on the analogy of pathos, pathetic. [Gr. bathos, depth, from bathys, deep.]

Bathybius, bath-ib′i-us, n. name given to a supposed low form of life at the bottom of some parts of the deep sea. [Formed from Gr. bathys, deep, and bios, life.]

Bathymetry, bath-im′et-ri, n. the science of measuring the depth of seas and lakes. [Gr. bathys, deep, metria, measurement.]

Bating, bāt′ing, prep. abating, excepting.

Batiste, ba-tēst′, n. usual French name for cambric: applied in commerce to a fine texture of linen and cotton. [Littré derives from Baptiste, the original maker; others from its use in wiping the heads of children after baptism.]

Batlet, bat′let, n. a wooden mallet used by laundresses for beating clothes. [Dim. of Bat.]

Batman, bat′man, baw′man, n. a man who has charge of a bathorse. [See Bathorse.]