D defs.my
Entry 2 senses Webster, 1913

Alligation

· Al·li·ga·tion · IPA
01 n. The act of tying together or attaching by some bond, or the state of being attached.
  1. 1.
    The act of tying together or attaching by some bond, or the state of being attached.[R.]
  2. 2.
    A rule relating to the solution of questions concerning the compounding or mixing of different ingredients, or ingredients of different qualities or values.(Arith.)