Definify.com
Webster 1913 Edition
Swellfish
Swell′fishˊ
,Noun.
(Zool.)
Any plectognath fish that dilates itself, as the bur fish, puffer, or diodon.
Definition 2024
swellfish
swellfish
English
Noun
swellfish (plural swellfishes or swellfish)
- (zoology) Any plectognath fish that dilates itself, such as the pufferfish.