‖ [ A Latin preposition, signifying to. See At. ] As a prefix ad- assumes the forms ac-, af-, ag-, al-, an-, ap-, ar-, as-, at-, assimilating the d with the first letter of the word to which ad- is prefixed. It remains unchanged before vowels, and before d, h, j, m, v. Examples: adduce, adhere, adjacent, admit, advent, accord, affect, aggregate, allude, annex, appear, etc. It becomes ac- before qu, as in acquiesce. [ 1913 Webster ]

v. t. [ L. adactus, p. p. of adigere. ] To compel; to drive. [ Obs. ] Fotherby. [ 1913 Webster ]

{ } a. [ Gr. 'a priv. + &unr_; finger. ] (Zool.) (a) Without fingers or without toes. (b) Without claws on the feet (of crustaceous animals). [ 1913 Webster ]

n. 1. the Babylonian god of storms and wind. [ WordNet 1.5 ]

n. [ F. adage, fr. L. adagium; ad + the root of L. aio I say. ] An old saying, which has obtained credit by long use; a proverb. [ 1913 Webster ]

Letting “I dare not” wait upon “I would, ”
Like the poor cat i' the adage. Shak. [ 1913 Webster ]

Syn. -- Axiom; maxim; aphorism; proverb; saying; saw; apothegm. See Axiom. [ 1913 Webster ]

a. Pertaining to an adage; proverbial. “Adagial verse.” Barrow. [ 1913 Webster ]

‖a. & adv. [ It. adagio; ad (L. ad) at + agio convenience, leisure, ease. See Agio. ] (Mus.) Slow; slowly, leisurely, and gracefully. When repeated, adagio, adagio, it directs the movement to be very slow. [ 1913 Webster ]

‖ n. A piece of music in adagio time; a slow movement; as, an adagio of Haydn. [ 1913 Webster ]

n. 1. The name given in the Bible to the first man, the progenitor of the human race. [ 1913 Webster ]

2. (As a symbol) “Original sin;” human frailty. [ 1913 Webster ]

And whipped the offending Adam out of him. Shak. [ 1913 Webster ]

Adam's ale, water. [ Coll. ] --
Adam's apple. 1. (Bot.) (a) A species of banana (Musa paradisiaca). It attains a height of twenty feet or more. Paxton. (b) A species of lime (Citris limetta). 2. The projection formed by the thyroid cartilage in the neck. It is particularly prominent in males, and is so called from a notion that it was caused by the forbidden fruit (an apple) sticking in the throat of our first parent. --
Adam's flannel (Bot.), the mullein (Verbascum thapsus). --
Adam's needle (Bot.), the popular name of a genus (Yucca) of liliaceous plants. [ 1913 Webster ]

n. 1. same as adamancy.
Syn. -- obstinacy, obduracy, unyieldingness, adamancy [ WordNet 1.5 +PJC ]