Entry 2 senses · 2 variants Webster, 1913 Toon /to͞on/ · IPA /[tuːn]/ pl. n. 01 pl. pl. of Toe. 1. pl. of Toe.obs. See: Toe 02 n. The reddish brown wood of an East Indian tree (Cedrela Toona) closely resembling the Spanish cedar; also. the tree itself. 1. The reddish brown wood of an East Indian tree (Cedrela Toona) closely resembling the Spanish cedar; also. the tree itself.(Bot.)