the GNU version of the Collaborative International Dictionary of English
adj. Fit for, or capable of, marriage; of an age at which marriage is allowable.
The Century Dictionary and Cyclopedia
Capable of marrying; fit or competent to marry; of an age suitable for marriage: as, a marriageable man or woman; a person of marriageable age or condition.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of girls or women who are eligible to marry
Word Usage
"And in Mauritania, the age-old practice of force-feeding young girls-a life-threatening process that is intended to make them round and therefore "marriageable" - has seen a renaissance."