trĭcorpor, ŏris, adj. [tres-corpus],
having three bodies , three-bodied , tricorporal : umbra, i. e. Geryon , Verg. A. 6, 289; so, Geryon, Sil. 3, 422; 13, 201.
(tricorpor) oris, adj.tres+corpus, with three bodies, of threefold form : forma tricorporis umbrae...
An Elementary Latin Dictionary