(zoology) A behavior in which an animal curls back its upper lip exposing its front teeth, inhales with the nostrils usually closed, and then often holds this position for several seconds.

ecologically/environmentally responsible

(law) A defense by which the defendant argues that, although they broke the law, they should not be held fully criminally liable, as their mental functions were impaired.

plural of host response

plural of impulse response

plural of reflex response

(rare) joint responsibility, shared responsibility

(rare) joint responsible, shared responsible

plural of fencing response

A peculiar flexed or extended position of the forearms following a concussion, resulting from force applied to the brain stem.