\Bul"late\ (b[u^]l"l[asl]t/), a. [L. bullatus, fr. bulla
bubble.] (Biol.)
Appearing as if blistered; inflated; puckered.

{Bullate leaf} (Bot.), a leaf, the membranous part of which
   rises between the veins puckered elevations convex on one
   side and concave on the other.