NeocaridaNe`o*car"i*da\, n. pl. [NL., fr. gr. ? new + ?, ?, a kind of crustacean.] (Zo["o]l.) The modern, or true, Crustacea, as distinguished from the Merostomata.
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|