(idiomatic) To expose oneself for the protection of something; to make defence against any assailing danger; to take the place of a fallen defender or supporter.

plural of air gap

(networking, computer security) A network security measure that consists of ensuring that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network.

plural of gap junction

(music) A vocal technique in which certain tones out of a complete set of tones are omitted.

plural of gapped scale

plural of parasitic gap

(paleontology) An apparent gap in the tetrapod fossil record in the lower Mississippian.

(physiology) The difference between the levels of cations and anions in serum, plasma or urine (not counting hydrogen ions, bicarbonate and similar ions that determine the pH of the liquid)

Alternative form of gap-lapper