also: ぐるりと
adverb
turning around; going around; rotating
Describes a single sweeping rotational movement, often of one's body, head, or a vehicle making a turn.
彼はぐるっと振り返った。
He turned around quickly.
車
The car went around the intersection.
adverb
surrounding; encircling
Describes something encircling or surrounding an area, often with a sense of completeness.
城は高い壁でぐるっと囲まれている。
The castle is completely surrounded by high walls.