make love

1.  Court, engage in amorous caressing, as in Romance was in the air, and she hoped he would make love to her. [Late 1500s]
2.  Have sexual intercourse, as in They'd been making love well before they married. This usage today is the more common of the two. [Mid-1900s]

The verb has one meaning:

Meaning #1: have sexual intercourse with
  Synonyms: love, make out, sleep with, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, eff, hump, lie with, bed, have a go at it, bang, get it on, bonk