Princeton's WordNet

1. frill, ruff(noun)

   an external body part consisting of feathers or hair about the neck of a bird or other animal

   Synonyms:
   ruff, ruffle, gimcrack, gimcrackery, frill, falderol, folderal, neck ruff, flounce, furbelow, trumping, nonsense, trumpery, choker

2. choker, ruff, ruffle, neck ruff(noun)

   a high tight collar

   Synonyms:
   flounce, disturbance, ruff, garrotter, frill, throttler, strangler, neckband, choker, dog collar, garroter, trumping, fray, furbelow, ruffle, collar, affray, neck ruff

3. ruff, Philomachus pugnax(noun)

   common Eurasian sandpiper; the male has an erectile neck ruff in breeding season

   Synonyms:
   frill, neck ruff, trumping, ruffle, choker, ruff

4. ruff, trumping(verb)

   (card games) the act of taking a trick with a trump when unable to follow suit

   Synonyms:
   frill, neck ruff, trumping, ruffle, choker, ruff

5. trump, ruff(verb)

   play a trump

   Synonyms:
   scoop, trump, best, trump out, outflank, outdo, ruff