Definition of zigzag:

part of speech: verb

To form into short turns or angles.

part of speech: noun

Something that has short turns or angles, as a line, the stem of a plant, & c.

part of speech: adjective

Representing sharp turns or angels.

part of speech: plural

In mil., in the attack of a fortified place, trenches formed from the parallels and connecting them.

Usage examples:

• He pounded heavily down the long trail into the coulee, passed close by the house with a glance sidelong to see if anybody was in sight there, rounded the corral to follow the trail which wound zigzag up the farther coulee wall, and overtook Val, running bareheaded up the hill, dragging a wet sack after her. B. M. Bower in "Lonesome Land".

• They had had plenty of time to assemble while the Barbarian was being guided in bewildering zigzag lines through the streets of tents. in "".