1. semi-automatic - Noun
2. semi-automatic - Adjective
Partially automatic.
Of a firearm that automatically ejects a shell and loads the next one, but requires the trigger to be squeezed for each shot; autoloading.
(weaponry) A semi-automatic firearm, especially such a pistol.
(automotive) A semi-automatic transmission.
Source: en.wiktionary.orgAfter that, the world's armed forces had less reason to requisition rebreather patents submitted by civilians, and sport diving automatic and semi-automatic mixture rebreathers start to appear. Source: Internet
A double-action revolver also requires only a trigger pull for each round that is fired but is not considered semi-automatic since the manual action of pulling the trigger is what advances the cylinder, not the energy of the preceding shot. Source: Internet
A firearm that automatically re-cocks and reloads the next round with each trigger pull is considered a semi-automatic or autoloading firearm. Source: Internet
Although the traditional telegraph key (straight key) is still used by some amateurs, the use of mechanical semi-automatic keyers (known as "bugs") and of fully automatic electronic keyers is prevalent today. Source: Internet
All semi-automatic rifles with a capacity greater than 3 rounds, all handguns and all rifles chambered in 'military' calibres, including bolt action, require permits. Source: Internet
A male appeared from behind the house holding a semi-automatic handgun. Source: Internet