n. 25B6; noun the lock on the door : BOLT, catch, fastener, clasp, bar, hasp, latch. See list.
25B6; verb
he locked the door : BOLT, fasten, bar, secure, seal; padlock, latch, chain.
she locked her wrists together : JOIN, interlock, link, mesh, engage, unite, connect, yoke, mate; couple.
the wheels locked : BECOME STUCK, stick, jam, become/make immovable, become/make rigid.
he locked her in an embrace : CLASP, clench, grasp, embrace, hug, squeeze.
unlock, open, separate, divide.
25A0; lock someone out KEEP OUT, shut out, refuse entrance to, deny admittance to; exclude, bar, debar, ban.
25A0; lock someone up IMPRISON, jail, incarcerate, intern, send to prison, put behind bars, put under lock and key, put in chains, clap in irons, cage, pen, coop up; informal send down, put away, put inside.