counteropening(redirected from contraaperture)
A second opening made at the dependent part of an abscess or other cavity containing fluid, which is not draining satisfactorily through a previous opening.
counteropening/coun·ter·open·ing/ (-o″pen-ing) a second incision made across an earlier one to promote drainage.
a second incision made across from an earlier one to promote drainage. Called also contra-aperture.