1. n. A toothed implement for grooming the hair or (formerly) for keeping it in place.
2. n. A machine used in separating choice cotton fibers from worsted cloth fibers.
3. n. A fleshy growth on the top of the head of some birds and reptiles; crest.
4. n. A structure of hexagon cells made by bees for storing honey; honeycomb.
5. n. An old English measure of corn equal to the half quarter.
6. n. The top part of a gun’s stock.
7. n. The toothed plate at the top and bottom of an escalator that prevents objects getting trapped between the moving stairs and fixed landings.
8. n. (music) The main body of a harmonica containing the air chambers and to which the reed plates are attached.
9. n. A former, commonly cone-shaped, used in hat manufacturing for hardening soft fibre.
10. n. A toothed tool used for chasing screws on work in a lathe; a chaser.
11. n. The notched scale of a wire micrometer.
12. n. The collector of an electrical machine, usually resembling a comb.
13. n. One of a pair of peculiar organs on the base of the abdomen in scorpions.
14. n. The curling crest of a wave; a comber.
15. n. A toothed plate used for creating wells in agar gels for electrophoresis.
16. n. (weaving) A toothed wooden pick used to push the weft thread tightly against the previous pass of thread to create a tight weave.
17. n. (algebraic geometry) A connected and reduced curve with irreducible components consisting of a smooth subcurve (called the handle) and one or more additional irreducible components (called teeth) that
18. v. (transitive, especially of hair or fur) To groom with a toothed implement; chiefly with a comb.
I need to comb my hair before we leave the house
19. v. To separate choice cotton fibers from worsted cloth fibers.
20. v. To search thoroughly as if raking over an area with a comb.
Police combed the field for evidence after the assault
21. v. (nautical, intransitive) To roll over, as the top or crest of a wave; to break with a white foam, as waves.