(idiomatic) An accomplishment; particularly one that is flaunted or boasted of. / Used other than figuratively or idiomatically: see feather, cap.

(figuratively) To cause a disturbance; to arouse resentment, anger, or concern.

(idiomatic) To achieve benefits, especially financial ones, by taking advantage of the opportunities with which one is presented; to amass a comfortable amount of personal wealth.

(idiomatic) To unease, cause discomfort to someone.

To show cowardice.

Antedon bifida, a crinoid in the family Antedonidae.

Any of the Sabellidae, a family of sedentary marine polychaete tube worms with the head mostly concealed by feathery branchiae.

plural of feather-legged bug

Any insect in the subfamily Holoptilinae of the family Reduviidae, many of which have legs covered with feathery hairs.

plural of feather duster worm