#208. Depth. -- N. depth; deepness &c. adj.; profundity, depression &c. (concavity) 252.
hollow, pit, shaft, well, crater; gulf &c. 198; bowels of the earth, botttomless pit[obs], hell.
soundings, depth of water, water, draught, submersion; plummet, sound, probe; sounding rod, sounding line; lead.
bathymetry.
[instrument to measure depth] sonar, side-looking sonar; bathometer[obs].
V. be deep &c. adj.; render deep &c. adj.; deepen.
plunge &c. 310; sound, fathom, plumb, cast the lead, heave the lead, take soundings, make soundings; dig &c. (excavate) 252.
Adj. deep, deep seated; profound, sunk, buried; submerged &c. 310; subaqueous, submarine, subterranean, subterraneous, subterrene[obs]; underground.
bottomless, soundless, fathomless; unfathomed, unfathomable; abysmal; deep as a well; bathycolpian[obs]; benthal[obs], benthopelagic[obs]; downreaching[obs], yawning.
knee deep, ankle deep.
Adv. beyond one's depth, out of one's depth; over head and ears; mark twine, mark twain.