What does "crimp" mean?

Additional senses

1. 2.Hence, to entrap into the military or naval service; as, to crimp seamen. Coaxing and courting with intent to crimp him. Carlyle.
2. 3.(Cookery) To cause to contract, or to render more crisp, as the flesh of a fish, by gashing it, when living, with a knife; as, to crimp skate, etc. Crimping house, a low lodging house, into which men are decoyed and plied with drink, to induce them to ship or enlist as sailors or soldiers. -- Crimping iron. (a) An iron instrument for crimping and curling the hair. (b) A crimping machine. -- Crimping machine, a machine with fluted rollers or with dies, for crimping ruffles leather, iron, etc. -- Crimping pin, an instrument for crimping or puckering the border of a lady's cap.
3. 4.Easily crumbled; friable; brittle. [R.] Now the fowler . . . treads the crimp earth. J. Philips.
4. 5.Weak; inconsistent; contradictory. [R.] The evidance is crimp; the witnesses swear backward and forward, and contradict themselves. Arbuthnot.
5. 6.A coal broker. [Prov. Eng.] De Foe.
6. 7.One who decoys or entraps men into the military or naval service. Marryat.
7. 8.A keeper of a low lodging house where sailors and emigrants are entrapped and fleeced.
8. 9.Hair which has been crimped; -- usually in pl.
9. 10.A game at cards. [Obs.] B. Jonson. Boot crimp. See under Boot.