swellfish

English

Etymology

From swell +‎ fish.

Noun

swellfish (plural swellfishes or swellfish)

1. (zoology) Any plectognath fish that dilates itself, such as the pufferfish.

References

• “swellfish”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.