'Ramus' definitions:

Definition of 'ramus'

(from WordNet)
noun
The posterior part of the mandible that is more or less vertical

Definition of 'Ramus'

From: GCIDE
  • Ramus \Ra"mus\ (r[=a]"m[u^]s), n.; pl. Rami (r[=a]"m[imac]). (Nat. Hist.) A branch; a projecting part or prominent process; a ramification. [1913 Webster]