adj. equal to each other in size, rank or position.
n. An equal person or thing.
the GNU version of the Collaborative International Dictionary of English
adj. Being on an equality in rank or power.
The Century Dictionary and Cyclopedia
Equal with another person or thing, or with one another; having equal rank, dignity, intellectual ability, etc.; of corresponding character or quality.
n. One who or that which is equal to another or others.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having the same standing before the law
Word Usage
"Note that Lee calls Congress a "coequal" branch of government, but the Constitution says no such thing and overwhelmingly gives the bulk of the authority to govern our nation to the Congress."