macrognathic, a.
(ˌmækrəʊˈgnæθɪk)
[f. macro- + Gr. γνάθ-ος jaw + -ic.]
Having long or protruding jaws. So macrognathism (məˈkrɒgnəθɪz(ə)m), the peculiarity or fact of being macrognathic; protrusion of the jaws. macrognathous (məˈkrɒgnəθəs) a. = macrognathic.
| 1856 Mayne Expos. Lex., Macrognathous. 1864 Huxley in Reader 5 Mar., The jaws..project more forward than in man, so that the chimpanzee is both macrognathous and prognathous. 1864 ― ibid. 19 Mar. 364/3 The macro⁓gnathism and prognathism are carried to about the same extent. 1874 Dawkins Cave Hunt. vi. 193 The entire maxillary apparatus is so largely developed, that the term ‘macrognathic’, introduced by Professor Huxley, is particularly applicable. |