1. (v. i.) To shake or shiver as with cold; as, the hawk frills.

2. (v. i.) To wrinkle; -- said of the gelatin film.

3. (v. t.) To provide or decorate with a frill or frills; to turn back. in crimped plaits; as, to frill a cap.

4. (n.) A ruffling of a bird's feathers from cold.

5. (n.) A ruffle, consisting of a fold of membrane, of hairs, or of feathers, around the neck of an animal.

6. (n.) A similar ruffle around the legs or other appendages of animals.

7. (n.) A ruffled varex or fold on certain shells.

8. (n.) A border or edging secured at one edge and left free at the other, usually fluted or crimped like a very narrow flounce.

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