(slot) noun
1. A long narrow groove or opening; slit.
2. A comparatively long and narrow depression or cavity, particularly one that is rectangular, cut to receive some corresponding part in a mechanism.
3. The opening to receive the coin in a slot machine.
4. Colloq. An opening or position, as a job category or place in a sequence.
5. Aeron. An opening in an airplane wing to improve the conditions of airflow at high angles of flight.
—v.t. slot·ted, slot·ting
1. To adjust in a slot.
2. To cut a slot in; groove. [<OF esclot the hollow between the breasts]

(slot) noun
The trail of an animal, especially a deer. [<AF esclot <ON slōdh. Doublet of SLEUTH.]