copperworm
English
Etymology
From copper + worm: the teredo used to damage the bottoms of vessels if they were not protected by copper.
Noun
copperworm (plural copperworms)
- (archaic) A teredo.
References
- “copperworm”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.