edible frog

Short definition from Wiktionary

Noun

1. 1
   A member of a hybrid species of frog, Pelophylax kl. esculentus, a hybrid of the pool frog (Pelophylax lessonae) and the Central Asian marsh frog (Pelophylax ridibundus).
2. 2
   Lithobates clamitans, a North American frog.
3. 3
   Used other than figuratively or idiomatically: see edible, frog.