English edit

Etymology edit

green +‎ gill

Noun edit

greengill (plural greengills)

  1. An oyster which has the gills tinged with a green pigment, said to be due to an abnormal condition of the blood.

Related terms edit

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for greengill”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)