(US, military) Initialism of hybrid insect micro-electro-mechanical systems (MEMS): A DARPA project to control insect locomotion by placing a mechanical system inside an insect.

Alternative form of high-rise

Abbreviation of high-resolution.

plural of hi-fi

(of clothing) High-visibility.

plural of hi-hat

(music) A style of uptempo disco or electronic dance music that originated in the United States and United Kingdom in the late 1970s.

(informal) Alternative form of high five

(India, historical) An Anglo-Indian call for a servant.

(India, historical, colloquial) An Anglo-Indian in Bengal.