sheqel, also spelled shekel, pl. sheqalim or shekels

1a. any of various ancient units of weight, esp. a Hebrew unit equal ot about 252 grains Troy
1b. a unit of value based on a shekel weight of gold or silver
2. a coin weighing one shekel
3. (pl.) money
4. The current unit of currency of Israel, represented by the symbol IS, and divided into 100 agorot.

Definitions from Merriam-Webster's Collegiate Dictionary, Tenth Edition (for shekel)