'Simian' definitions:
Definition of 'simian'
From: WordNet
adjective
Relating to or resembling an ape; "simian features"
noun
An ape or monkey
Definition of 'Simian'
From: GCIDE
- Simian \Sim"i*an\, a. [L. simia an ape.] (Zool.) Of or pertaining to the family Simiadae, which, in its widest sense, includes all the Old World apes and monkeys; also, apelike. -- n. Any Old World monkey or ape. [1913 Webster]