Pronunciation: (chil'um),[key] —n. 1. the part of a hookah that contains the tobacco, marijuana, or other substance being smoked.
2. the substance that is smoked.
3. a hookah or other water pipe adapted for smoking marijuana, that can be passed in ritual fashion among a group of participants: used esp. by Rastafarians.
Pronunciation: (chil'um),[key] —n. a city in central Maryland, near Washington, D.C. 32,775.