To wander from the direct course or way; to rove; to stray; to wander from the line of march or desert the line of battle; as, when troops are on the march, the men should not straggle.
To wander at large; to roam idly about; to ramble.
To escape or stretch beyond proper limits, as the branches of a plant; to spread widely apart; to shoot too far or widely in growth.
To wander away, to rove, to stray, to become separated from, or to lag or linger behind.
a wandering or disorderly grouping (of things or persons); "a straggle of outbuildings"; "a straggle of followers"
wander from a direct or straight course
go, come, or spread in a rambling or irregular way; "Branches straggling out quite far"