from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several single-valued or multivalued functions that are inverses of the sine function. Symbol: arcsin, sin-1
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the inverse function of the sine; the angle that has a sine equal to a given number
arc- + sine (Wiktionary)