From tetra- + thecal. <span class="searchmatch">tetrathecal</span> (not comparable) (botany) Having four thecae. “<span class="searchmatch">tetrathecal</span>”, in Webster’s Revised Unabridged Dictionary, Springfield...
From cattle + heart. cattleheart (plural cattlehearts) Any of various papilionid butterflies of the genus Parides, of the Neotropics. <span class="searchmatch">tetrathecal</span>...