Definify.com
Webster 1913 Edition
Whinner
Whin′ner
,Verb.
 I.
 To whinny. 
[Colloq.] 
Definition 2025
whinner
whinner
English
Verb
whinner (third-person singular simple present whinners, present participle whinnering, simple past and past participle whinnered)
- (colloquial, intransitive) To whinny.