co·se·cant 
(kō-sēkănt′, -kənt)
(kō-sēkănt′, -kənt)n. Abbr. csc
1. The reciprocal of the sine of an angle in a right triangle.
2. The secant of the complement of a directed angle or arc.
cosecantcsc θ = c/a
- postmodernism
- postmodernist
- postmortem
- post mortem
- postmortem examination
- postnasal
- postnasal drip
- postnatal
- postnatally
- postnuptial
- postnuptially
- post office
- post office box
- post-op
- postop
- postoperative
- postoperatively
- postorbital
- postpaid
- postpartum
- post-polio syndrome
- postponable
- postpone
- postponement
- postpose