Lineate \Lin"e*ate\ (l[i^]n"[-e]*[asl]t), Lineated \Lin"e*a`ted\ (-[=a]`t[e^]d), a. [L. lineatus, p. p. of lineare to reduce to a straight line, fr. linea line.] 1. (Zo["o]l.) Marked with lines. 2. (Bot.) Marked longitudinally with depressed parallel lines; as, a lineate leaf.