subdefinition means A lesser or secondary definition. Lexicurio rates it Rare gem — a strength score of 82 out of 100.
Etymology
From sub- + definition.
noun
- A lesser or secondary definition.“In the four-volume supplement to the Oxford English Dictionary (hereafter, OED), its editor, Burchfield, supplied a separate subdefinition stating that Hobson-Jobson was ‘[u]sed as the title of a famous collection of Anglo-Indian words’ [...] Thus, along with the Bible and the Koran, Hobson-Jobson, the book, has been elevated to the special status of being defined in the OED.”