hemi

noun — 5 senses

hemi

noun

Etymology Clipping of hemisphere.

1

Automotive, Transport, Vehicles A motor with hemispherical combustion chambers. A piston engine internal combustion engine with hemispherical piston cylinder heads.

2

Automotive, Transport, Vehicles A combustion chamber with the hemispherical cylinder head from such an engine.

3

Automotive, Transport, Vehicles A hemispherical cylinder head from such a motor.

4

Automotive, Transport, Vehicles A vehicle equipped with such a motor engine.

5

Broadly Domed versions of the above that have cylinder heads that are not exactly hemispherical

Synonyms
hemi engine, hemi head

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.