n. The act of uniting or combining; a coming together; union; conjunction; assemblage.n. Ingrammar: The inflection of a verb in its different forms, as voices, moods, tenses, numbers, and persons; a connected scheme of all the derivative forms of a verb.n. A class of verbs similarly conjugated: as, Latin verbs of the third conjugation.n. In Hebrew and other Semitic languages, one of several groups of inflections normally formed from the same verb, and expressing a modification of meaning analogous to that found in certain classes of derivative verbs in Indo-European languages, or to the voices of these.n. A union or coupling; a combination of two or more individuals. [Obsolete except in specific use. See 4.]n. In biol, a union of two distinct cells for reproduction; a temporary or permanent growing together of two or more individuals or cells, with fusion of their plasmodic substance, as a means of reproduction by germs or spores, or a means of renewing individual capacity to multiply by fission.