noun

1. any of the open spaces of a net, screen, sieve, etc.: a 50-mesh screen is one with 50 such open spaces per linear inch
2. the threads, cords, etc. forming these openings
3. a net or network
4. a netlike, woven material, as that used for stockings
5. a structure of interlocking metal links
6. anything that entangles, snares, or entraps
7. the engagement of the teeth of gears

Etymology: earlier meash, prob. < MDu maesche < ODu maske < IE base *mezg-, to knit, entwine > Lith mezgù, to knit together, OE max, a net

transitive verb, intransitive verb

1. to entangle or become entangled
2. ☆ to engage or become engaged: said of gears or gear teeth
3. to fit closely together; interlock