DUUMVIRAL
Du*um"vi*ral, a. Etym: [L. duumviralis.]

Defn: Of or belonging to the duumviri or the duumvirate.

DUUMVIRATE
Du*um"vi*rate, n. Etym: [L. duumviratus, fr. duumvir.]

Defn: The union of two men in the same office; or the office, dignity, or government of two men thus associated, as in ancient Rome.

DUX
Dux, n. Etym: [L., leader.] (Mus.)

Defn: The scholastic name for the theme or subject of a fugue, the answer being called the comes, or companion.

DUYKERBOK
Duy"ker*bok, n. Etym: [D. duiker diver + bok a buck, lit., diver
buck. So named from its habit of diving suddenly into the bush.]
(Zoöl.)

Defn: A small South African antelope (Cephalous mergens); — called also impoon, and deloo.

DUYOUNG
Du*young", n. (Zoöl.)

Defn: See Dugong.