TACAMAHAC Meaning of TACAMAHAC in English n.1 a resinous gum obtained from certain tropical trees esp. of the genus Calophyllum. 2 a the balsam poplar. b the resin of this. Etymology: obs. Sp. tacamahaca f. Aztec tecomahiyac Oxford English vocab. Оксфордский английский словарь. 2012