The Collaborative International Dictionary
Complemental \Com`ple*men"tal\, a.
Supplying, or tending to supply, a deficiency; fully completing. ``Complemental ceremony.''
--Prynne.-
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 (Zo["o]l.), peculiar small males living parasitically on the ordinary hermaphrodite individuals of certain barnacles.
Wiktionary
a. 1 Of the nature of a complement; completing. 2 complementary. 3 (context obsolete English) additional; supplemental, accessory; ancillary. 4 (context obsolete English) Of the nature of a ceremony that is not essential but accessory; ceremonial; ceremonious; formal. 5 (context obsolete English) Of persons: accomplished; talented; experienced. 6 (context obsolete English) complimentary.
WordNet
adj. acting as or providing a complement (something that completes the whole) [syn: complementary, completing]
Usage examples of "complemental".
Still less is it acted upon for the good of the complemental being alluded to.
But in some genera the larvae become developed either into hermaphrodites having the ordinary structure, or into what I have called complemental males: and in the latter, the development has assuredly been retrograde.