noun, plural re·en·tries.
- an act of reentering.
- the return from outer space into the earth’s atmosphere of an earth-orbiting satellite, spacecraft, rocket, or the like.
- Law. the retaking of possession under a right reserved in a prior conveyance.
- Also called reentry card. Bridge, Whist. a card that will win a trick enabling one to regain the lead previously lost, especially the lead from a particular hand.
- Return of the same impulse into an area of heart muscle that it has recently activated but that is now no longer refractory, as in reciprocal rhythm.