nexus

noun, plural nex·us·es, nex·us.

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 Biology. a specialized area of the cell membrane involved in intercellular communication and adhesion.

noun plural nexus

1. a means of connection between members of a group or things in a series; link; bond
2. a connected group or series

n.1660s, “bond, link, means of communication,” from Latin nexus “that which ties or binds together,” past participle of nectere “to bind,” from PIE root *ned- “to bind, tie” (see net (n.)). n. pl. nexus

1. gap junction