Go'nys noun [ Confer Genys .] (Zoology) The keel or lower outline of a bird's bill, so far as the mandibular rami are united. Found on http://www.encyclo.co.uk/webster/G/43
Ridge formed by junction of two rami of lower jaw (near bill tip). The lower most ridge on the lower mandible. Found on https://www.encyclo.co.uk/local/22222