Unite | Webster's Dictionary (1865)

U-nīte', v. t.

verbtransitive

v. t. [imp. & p. p. UNITED; p. pr. & vb. n. UNITING.] [Lat. unire, unitum, from unus, one; It. unire, Sp., Pg., Pr., & Fr. unir.]

To put together or join, as two or more constituents, to form a whole; to combine; to connect; to attach; to join; to cause to adhere; as, to unite bricks by mortar.
Hence, to join by a legal or moral bond, as, families by marriage, nations by treaty, men by opinions; also, to join in interest, affection, fellowship, or the like; to associate; to attach. “United as one individual soul forever.” Milton.

Mourned and mourners lie united in repose. Byron. Syn.—Add; join; annex; coalesce; attach. See Add.

verbintransitive

v. i. 1. To become one; to be cemented or consolidated; to combine by adhesion or mixture; to coalesce; to grow together.

The spur of a young cock, grafted into the comb, will unite and grow. Duhamel.

Sense 2. To join in an act; to concur; to act in concert; as, all parties united in petitioning for a repeal of the law.

adjective

a. United; joint. [Obs. and rare.] By unite consent Then the command was his. Webster, 1661.