DEROTREMATA
Der`o*tre"ma*ta, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The tribe of aquatic Amphibia which includes Amphiuma, Menopoma, etc. They have permanent gill openings, but no external gills; — called also Cryptobranchiata. [Written also Derotrema.]
DERRE
Der"re, a.
Defn: Dearer. [Obs.] Chaucer.
DERRICK
Der"rick, n. Etym: [Orig., a gallows, from a hangman named Derrick.
The name is of Dutch origin; D. Diederik, Dierryk, prop. meaning,
chief of the people; cf. AS. peódric, E. Theodoric, G. Dietrich. See
Dutch, and Rich.]
Defn: A mast, spar, or tall frame, supported at the top by stays or guys, with suitable tackle for hoisting heavy weights, as stones in building. Derrick crane, a combination of the derrick and the crane, having facility for hoisting and also for swinging the load horizontally.
DERRING
Der"ring, a.
Defn: Daring or warlike. [Obs.]
Drad for his derring doe and bloody deed. Spenser.
DERRINGER
Der"rin*ger, n. Etym: [From the American inventor.]
Defn: A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball.