You searched for: “anserine
anserine: goose
1. Of, pertaining to, or of the nature of a goose; gooselike (as the goose is conventionally thought to be unintelligent); characterized as stupid, silly.
2. As the goose is conventionally (though erroneously) a type of unintelligence: Stupid, silly.

As stated in the Oxford English Dictionary.

This entry is located in the following units: anseri-, anser- (page 1) -ine (page 2)