metagnathous

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me·tag·na·thous

M0244600 (mĭ-tăg′nə-thəs)adj. Having a bill in which the tips of the mandibles cross. Used of a bird.
me·tag′na·thism n.

metagnathous

(mɪˈtæɡnəθəs) adj (Zoology) (of the beaks of birds such as the crossbill) having crossed tips[C19: from meta- + -gnathous] meˈtagnaˌthism n