metatarso-|mɛtəˈtɑːsəʊ|comb. form of next used to denote ‘belonging to the metatarsus and..’; in metatarso-phalangeala., belonging to the metatarsus and the phalanges; n. a metatarso-phalangeal joint; also metatarso-digital in the same sense.1831R. Knox Cloquet's Anat. 390 The last four metatarso-phalangeal articulations.1876Quain's Anat. (ed. 8) I. 181 In the first metatarso-digital articulation.1879St. George's Hosp.Rep. IX. 331 The ankle, elbow, and first metatarso-phalangeal.1887Brit.Med.Jrnl. 2 Apr. 728/1 The Metatarso-Phalangeal Joint of the Great Toe.
metatarso-/mɛtəˈtɑ:səʊ/combining form of next: see -o-.