Entry 1 sense Webster, 1913 Haliotoid /(hā"lĭ*ō̇*toid` [or] hăl"ĭ-)/ · Ha·li·o·toid · IPA 01 a. Like or pertaining to the genus Haliotis; ear-shaped. 1. Like or pertaining to the genus Haliotis; ear-shaped.(Zool.)