Agglutination \Ag*glu`ti*na"tion\, n. [Cf. F. agglutination.]

1. The act of uniting by glue or other tenacious substance; the state of being thus united; adhesion of parts.

2. (Physiol.) Combination in which root words are united with little or no change of form or loss of meaning. See Agglutinative, 2.

Source: Webster's Revised Unabridged Dictionary (1913)