1. HMIS - Noun
2. HMIS - Proper noun
HMIS
Initialism of Homeless Management Information Systems: a unified database format, encouraged by the US Housing and Urban Development, that allows streamlining Continuum of Care grants across jurisdictions.
(nautical, military) Initialism of His Majesty's Indian Ship.
(nautical, military) Initialism of Her Majesty's Indian Ship.
Source: en.wiktionary.orgHMIs are also referred to as man-machine interfaces (MMIs) and graphical user interfaces (GUIs). Source: Internet