jiao1 

frz.:
croiser
intersection de lignes ou de surfaces
frontière
être en relation, amitié
union
avoir des relations sexuelles
mélanger,  ensemble
correspondence
échanger

Possible meanings of nowaday
hand over, give up, deliver,
meet, join, reach, cross, intersect, to intertwine, to interlace,
associate with,
have sexual intercourse, to have intercourse with, intimacy
mate, breed,
mutual,  reciprocal, each other, together,
simultaneous, business transaction,
deal, bargain, fall  to commit to,
to hand to, to deliver,
to pay, to exchange,
to barter, to bargain, to communicate,
friendship,
adjoining,
to engage,
as in battle