ˈambēˌenz noun
( plural ambien·tes ˌ ̷ ̷ ̷ ̷ˈenˌtēz)
Etymology: New Latin, from Latin, present participle of ambire
: a thigh muscle of certain birds having the tendon passing over the knee and connecting with the tendon of a muscle that bends the toes so that the body weight on perching causes the knee to bend and the feet to clasp the perch on which the bird sits