The Collaborative International Dictionary of English v.0.48:

frill \frill\ (fr[i^]l), v. i. [imp. & p. p. frilled
   (fr[i^]ld); p. pr. & vb. n. frilling.] [OF. friller, fr. L.
   frigidulus somewhat cold, dim. of frigidus cold; akin to F.
   frileux chilly.]
   1. To shake or shiver as with cold; as, the hawk frills.
      --Johnson.
      [1913 Webster]

   2. (Photog.) To wrinkle; -- said of the gelatin film.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

frilled \frilled\ (fr[i^]ld), a.
   Furnished with a frill or frills.
   [1913 Webster]

   Frilled lizard (Zool.), a large Australian lizard
      (Chlamydosaurus Kingii) about three feet long, which has
      a large, erectile frill on each side of the neck.
      [1913 Webster]

WordNet (r) 3.0 (2006):

frilled
    adj 1: having decorative ruffles or frills [syn: frilled,
           frilly, ruffled]