n. A large-eared grayish bat (Macrotus californicus) of southern California and northwestern Mexico. [ WordNet 1.5 ]
‖n. [ NL. See Macro-, and Sporangium. ] (Bot.) A sporangium or conceptacle containing only large spores; -- opposed to
n. [ Macro- + spore. ] (Bot.) One of the specially large spores of certain flowerless plants, as
a. (Bot.) Of or pertaining to macrospores. [ 1913 Webster ]