Search Result for "hazmat": 
Wordnet 3.0

NOUN (1)

1. an abbreviation for `hazardous material' used on warning signs;
- Example: "NO HAZMATS IN TUNNEL"



WordNet (r) 3.0 (2006):

HAZMAT
    n 1: an abbreviation for `hazardous material' used on warning
         signs; "NO HAZMATS IN TUNNEL"