Variant: or zoo-
Function: combining form
Etymology: Greek z ō i-, z ō io-, from z ō ion; akin to Greek z ō ē life ― more at QUICK
1 : animal : animal kingdom or kind < zo oid> < zoo logy>
2 [Greek z ō - alive, from z ō os; akin to Greek z ō ē ] : motile < zoo spore>