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English definition of “semi”


noun [C] (TRUCK)   /ˈsem·i, -ɑɪ/ (plural semis) (also semitrailer) infml
a large truck with a separate trailer (= vehicle without an engine) for carrying freight, or such a trailer itself: The semi screeched to a halt.
(Definition of semi noun (TRUCK) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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to direct the way that a ship, aircraft, etc. will travel, or to find a direction across, along, or over an area of water or land, often by using a map

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