noun, slang ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Auxiliary division onboard a ship or submarine. Responsible for sanitary, heating/AC, emergency diesels, hydraulics, high pressure air, low pressure air, oxygen generating equipment, potable water, hatch maintenance, and assorted systems. US, slang

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.