Definition of connex:
(adj) :
(set theory) Such that, for all x and y in X, and for a binary relation R, either or both of xRy and yRx hold(s).
(n) :
(algebra) A correspondence between a projective space and its dual.
(v) :
(obsolete, transitive) To connect; to fasten together.
(v) :
(obsolete, intransitive) To connect; to become joined or united.