/nek"seuhs/ , n. , pl. nexuses, nexus .
1. a means of connection; tie; link.
2. a connected series or group.
3. the core or center, as of a matter or situation.
4. Cell Biol. a specialized area of the cell membrane involved in intercellular communication and adhesion.
[ 1655-65; nexus a binding, joining, fastening, equiv. to nect ( ere ) to bind, fasten, tie + -tus suffix of v. action, with tt > s ]