Abaisse, in Heraldry, is applied to the Vol, or Wings of Eagles, &c. when the Tip, or Angle looks downward toward the Point of the Shield ; or when the Wings are shut: The natural way of bearing 'em being spread, with the Tip pointing to the Chies, or the Angles. See VOL.
A Chevron, a Pale, Bend, &c. are also said to be abased when their Points terminate in, or below the Centre of the Shield. See CHEVRON, PALE, &c.
Again, an Ordinary is said to be abased, when below its due Situation. Thus, the Commanders of the Order of Malta, who have Chiefs in their own Arms, are oblig'd to abase 'em under those of the Religion.