headword
noun
head·word ˈhed-ˌwərd 
1
: a word or term placed at the beginning (as of a chapter or an entry in an encyclopedia)
2
: head sense 19
Word History
First Known Use
1727, in the meaning defined at sense 1
- in manuscript
- in many ways
- in marked contrast to
- in marked contrast with
- in me
- in medias res
- in medio tutissimus ibis
- in memoriam
- in memory of
- in microcosm
- in midstream
- in mind
- in miniature
- in moderation
- in more ways than one
- in motion
- in name
- in name only
- in nature
- in need
- in need of
- in negotiation
- in no (fit) state
- in no condition
- in no fit state