- indusium
- indusium [in do͞o′zē əm, indyo͞o′zē əm; in do͞o′zhēəm, in dyo͞o′zhē əm]n.pl. indusia [in do͞o′zēə, in dyo͞o′zē ə, in do͞o′zhēə, in dyo͞o′zhēə] [ModL < L, undergarment, tunic; assoc. with induere, to put on (see INDUE), but prob. < Gr endysis, dress, clothing < endyein, to go into, put on]1. Anat. Zool.a) any covering membrane, as the amnionb) a case enclosing an insect larva or pupa2. Bot.a) a membranous outgrowth of the leaf epidermis in certain ferns, covering the sporangiab) the annulus of certain fungiindusial [in do͞o′zēəl, in dyo͞o′zēəl, in do͞o′zhēəl, in dyo͞o′zhēəl]adj.
English World dictionary. V. Neufeldt. 2014.