Negro \Ne"gro\, a. Of or pertaining to negroes; black. [1913 Webster]

Negro bug (Zool.), a minute black bug common on the raspberry and blackberry. It produces a very disagreeable flavor.

negro corn, the Indian millet or durra; -- so called in the West Indies. See Durra. --McElrath.

Negro fly (Zool.), a black dipterous fly (Psila rosae) which, in the larval state, is injurious to carrots; -- called also carrot fly.

Negro head (Com.), Cavendish tobacco. [Cant] --McElrath.

Negro monkey (Zool.), the moor monkey. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Negro \Ne"gro\, a. Of or pertaining to negroes; black.

Negro bug (Zo["o]l.), a minute black bug common on the raspberry and blackberry. It produced a very disagreeable flavor.

negro corn, the Indian millet or durra; -- so called in the West Indies. see Durra. --McElrath.

Negro fly (Zo["o]l.), a black dipterous fly (Psila ros[ae]) which, in the larval state, is injurious to carrots; -- called also carrot fly.

Negro head (Com.), Cavendish tobacco. [Cant] --McElrath.

Negro monkey (Zo["o]l.), the moor monkey.

Source: Webster's Revised Unabridged Dictionary (1913)