slot

1.
n. & v.
—n.
1 a slit or other aperture in a machine etc. for something (esp. a coin) to be inserted.
2 a slit, groove, channel, or long aperture into which something fits or in which something works.
3 an allotted place in an arrangement or scheme, esp. in a broadcasting schedule.
—v. (slotted, slotting)
1 tr. & intr. place or be placed into or as if into a slot.
2 tr. provide with a slot or slots.
Phrases and idioms:
slot-machine a machine worked by the insertion of a coin, esp.:
1 one for automatic retail of small articles.
2 one allowing a spell of play at a pin-table etc.
3 US = fruit machine.
Etymology: ME, = hollow of the breast, f. OF esclot, of unkn. orig.
2.
n.
1 the track of a deer etc. esp. as shown by footprints.
2 a deer's foot.
Etymology: OF esclot hoof-print of a horse, prob. f. ON sloacuteth trail: cf. SLEUTH