Con`ju*ga"tion (?), n. [L. conjugatio conjugation (in senses 1 & 3).]
1.
the act of uniting or combining; union; assemblage.
[Obs.]
Mixtures and conjugations of atoms.
Bentley.
2.
Two things conjoined; a pair; a couple.
[Obs.]
The sixth conjugations or pair of nerves.
Sir T. Browne.
3. Gram. (a)
The act of conjugating a verb or giving in order its various parts and inflections.
(b)
A scheme in which are arranged all the parts of a verb.
(c)
A class of verbs conjugated in the same manner.
4. Biol.
A kind of sexual union; -- applied to a blending of the contents of two or more cells or individuals in some plants and lower animals, by which new spores or germs are developed.
© Webster 1913.