spherico-|ˈsfɛrɪkəʊ|used as combining form of spheric a. in a few terms, as spherico-cylindrical, spherico-tetrahedral, spherico-triangularadjs.1778Phil.Trans. LXVIII. 69 The fourth and fifth shots were of a long form, which may be called spherico-cylindrical, as they were cylinders terminated by hemispherical ends.1839Penny Cycl. XIV. 335/2 Buccal appendages spherico-triangular.1857M. J. Berkeley Cryptog. Bot. §636. 556 Sporangia..containing large spherico-tetrahedral spores.1879St. George's Hosp.Rep. IX. 522 A concavo⁓convex spherico-cylindrical glass, in preference to a biconvex spherico-cylindrical.