The Clue
It's good for the long haul (4 letter answer)
The Answer
SEMI
Tags
Notes
The answer SEMI is seen frequently, appearing about once every 60 puzzles.
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Definition
SEMI as a noun:
1. (semifinal, semi) = one of the two competitions in the next to the last round of an elimination tournament
2. (trailer truck, tractor trailer, trucking rig, rig, articulated lorry, semi) = a truck consisting of a tractor and trailer together
3. (semitrailer, semi) = a trailer having wheels only in the rear; the front is supported by the towing vehicle