kōˈishən noun
( -s )
Etymology: Latin coition-. coitio, from coitus (past participle of coire to come together, from co- + ire to go) + -ion-, -io -ion — more at issue
1. obsolete : a coming together or meeting : conjunction especially of planets
2. obsolete : mutual attraction especially of iron and a magnet
3.
[Late Latin coition-, coitio, from Latin]
: coitus
• co·i·tion·al -shən ə l, -shnəl adjective