Water Thief 2 : A fitting placed in long lines of hose, usually 2 1/2 in. or larger, for tapping off with smaller lines; it usually has a female inlet, a male outlet and several smaller valved outlets
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}