Definition of contractions:
(n) :
(orthography) In the English language: a shortened form of a word, often with omitted letters replaced by an apostrophe or a diacritical mark.
(n) :
(linguistics) A process whereby one or more sounds of a free morpheme (a word) are reduced or lost, such that it becomes a bound morpheme (a clitic) that attaches phonologically to an adjacent word.
(n) :
A (sometimes reversible) contracting or reduction in length, scope, size, or volume; a narrowing, a shortening, a shrinking.
(n) :
(biology, medicine) A shortening of a muscle during its use; specifically, a strong and often painful shortening of the uterine muscles prior to or during childbirth.
(n) :
Senses relating to pulling together or shortening.
(n) :
An act of incurring debt; also (generally), an act of acquiring something (generally negative).