toco UK /ˈtəʊ.kəʊ/US /ˈtoʊ.koʊ/ noun4 •Crateva tapia, a fruit tree of South and Central America. •Synonym of toco toucanThe Toco Toucan is surely among the most striking of the toucans, with its black-and-white body and enormous yellow-orange bill. [...] Tocos make loud rattling or clacking sounds with their bills. — 2007 •Clipping of tocodynamometer. •(slang, no longer used) Corporal punishment; chastisement; beatings.Yum-Yum: But as I'm engaged to Ko-Ko, / To embrace you thus, con fuoco, / Would distinctly be no gioco, / And for yam I should get toco— Both: Toco, toco, toco, toco. — 1885 formstocos