1.a. Pertaining to the Pleuronectidæ, or Flounder family.
Medical Definition of Pleuronectoid
1. Pertaining to the Pleuronectidae, or Flounder family.
Origin: NL. Pleuronectes, name of a genus (fr. Gr. Rib + a swimmer).
Source: Websters Dictionary
(01 Mar 1998)