Defn: An instrument for measuring depths, esp. one for taking soundings without a sounding line.
BATHORSE Bat"horse`, n. Etym: [F. b packsaddle (cheval de b packhorse) + E. horse. See Bastard.]
Defn: A horse which carries an officer's baggage during a campaign.
BATHOS
Ba"thos, n. Etym: [Gr. depth, fr. deep.] (Rhet.)
Defn: A ludicrous descent from the elevated to the low, in writing or speech; anticlimax.
BATHYBIUS
Ba*thyb"i*us, n. Etym: [NL., fr. Gr. deep + life] (Zoöl.)
Defn: A name given by Prof. Huxley to a gelatinous substance found in mud dredged from the Atlantic and preserved in alcohol. He supposed that it was free living protoplasm, covering a large part of the ocean bed. It is now known that the substance is of chemical, not of organic, origin.
BATHYGRAPHIC
Bath`y*graph"ic, a. [Gr. deep + graphic.]
Defn: Descriptive of the ocean depth; as, a bathygraphic chart.
BATHYMETRIC; BATHYMETRICAL
Bath`y*met"ric, Bath`y*met"ric*al, a.