Com`ple*men"tal (?), a.
1. Supplying, or tending to supply, a
deficiency; fully completing. "Complemental
ceremony." Prynne.
2. Complimentary; courteous. [Obs.]
Shak.
Complemental air (Physiol.), the
air (averaging 100 cubic inches) which can be drawn into the
lungs in addition to the tidal air, by the deepest possible
inspiration. -- Complemental males
(Zoöl.), peculiar small males living
parasitically on the ordinary hermaphrodite individuals of
certain barnacles.