To show cowardice.

halotrichite

(nautical) To make the water foam in moving; in allusion to the ripple which a ship throws off from her bows. / (colloquial) To make oneself conspicuous.

(idiomatic, informal, hyperbolic) Used to express that one is greatly surprised.

Antedon bifida, a crinoid in the family Antedonidae.

plural of feather boa

(mineralogy) A variety of jamesonite, sometimes found in capillary forms and like a cobweb, but also massive.

(colloquial) In full dress or in one's best clothes.

Amaranthus hypochondriacus, an ornamental plant.

(nautical) The spray thrown up, like pairs of feathers, by the cutwater of a fast-moving vessel.