edge

ed3 n. the narrow outer portion or margin of the fore part of a bird’s wing, aeroplane, or other aerofeil. advancing edge, an edge which advances or precedes another; the front edge of a sustaining-plane or other aeroferl; the leading edge: the oppos it of following edge. _ following edge, an edge which fellows or comes after another; the rear edge of a sustaining-plane or other aerofe1l; the rearward edge; the trailrng edge: the oppos it of advancing edge. front edge, the edge of a wing, aeroplane, or other aerofexl which is located in front; the advancing edge. leading edge, the edge (of a wing or other aeroferl) which leads or comes first, in flight; the advancing edge; the front edge: the oppos it of following edge. trailing edge, the rear edge or margin (of a wing or other aeroferl), considerd as trailing thru the air; the pester i or margin of an advancing aerocurv; the following edge; the rearward edge: distinguisht from advancing edge, front edge.