a. [ Amianthus + -oid: cf. F. amiantoïde. ] Resembling amianthus. [ 1913 Webster ]
a. [ Gr.
a. (Zool.) Of or pertaining to the Helianthoidea. [ 1913 Webster ]
‖n. pl. [ NL., fr. L. helianthes sunflower + -oid. ] (Zool.) An order of Anthozoa; the Actinaria. [ 1913 Webster ]
a. [ See Zoantharia, and -oid. ] (Zool.) Of or pertaining to the Zoanthacea. [ 1913 Webster ]