(biology, game theory) A model for the evolution and maintenance of informative communication between relatives, developed to explain begging behaviour in chicks.

Intensifies a statement of agreement, indicating that the speaker is craven or obsequious; often used sarcastically.

plural of Sir Philip Sidney game

Alternative form of Roger de Coverley (“country dance”)

Alternative form of Roger de Coverley (“country dance”)

A strait in the British Virgin Islands.

Zaglossus attenboroughi, a species of long-beaked echidna.

plural of Sir David's long-beaked echidna

plural of Sir David's long-beaked echidna

(US, military, idiomatic, sometimes humorous) Used by senior enlisted military personnel to indicate that they are not commissioned officers.