Simple Definition of headword
: a word placed at the beginning of an entry in a dictionary, encyclopedia, etc.
Full Definition of headword
1 : a word or term placed at the beginning (as of a chapter or an entry in an encyclopedia)
2 : head 19
First Known Use of headword
Seen and Heard
What made you want to look up headword? Please tell us where you read or heard it (including the quote, if possible).