intransitive. To shudder. Of the ranks in an army: To waver.

intransitive. Of an army, rank, line of battle, etc.: to waver, give way, draw back. Also (occasionally) transitive: to cause to draw back or…

Of a band of persons: To become unsteady, to reel, give way.

Of an army, line of battle, etc.: To waver, become unsteady, give way.

literal and figurative. To spring back, up, or forth, etc.; to diverge. intransitive. To yield ground, give way. Obsolete. rare.

intransitive. Of troops: To waver, become unsteady.

Of a combatant, body of troops, line of battle: To become unsteady, flinch, give way.