D defs.my
Entry 4 senses Webster, 1913

Conjugation

/känˌ-jəg-āsh'-ən/ · Con·ju·ga·tion · IPA /ˌkɑnd͡ʒəˈɡeɪʃən/
01 n. the act of uniting or combining; union; assemblage.
  1. 1.
    the act of uniting or combining; union; assemblage.[Obs.]
    “Mixtures and conjugations of atoms.” Bentley.
  2. 2.
    Two things conjoined; a pair; a couple.[Obs.]
    “The sixth conjugations or pair of nerves.” Sir T. Browne.
  3. 3.
    The act of conjugating a verb or giving in order its various parts and inflections.(Gram.)
  4. 4.
    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.(Biol.)