1.To draw together or nearer; to reduce to a less compass; to shorten, narrow, or lessen; as, to contract one's sphere of action. "In all things desuetude doth contract and narrow our faculties."
2.To draw together so as to wrinkle; to knit. "Thou didst contract and purse thy brow."
3.To bring on; to incur; to acquire; as, to contract a habit; to contract a debt; to contract a disease. "Each from each contract new strength and light." "Such behavior we contract by having much conversed with persons of high station."
4.To enter into, with mutual obligations; to make a bargain or covenant for. "We have contracted an inviolable amity, peace, and lague with the aforesaid queen." "Many persons... had contracted marriage within the degrees of consanguinity... prohibited by law."
5.To betroth; to affiance. "The truth is, she and I, long since contracted, Are now so sure, that nothing can dissolve us."
6.(Gram.) To shorten by omitting a letter or letters or by reducing two or more vowels or syllables to one.