n. A lease on something made by someone who already leases it.
v. To lease something that is already leased; to sublet.
the GNU version of the Collaborative International Dictionary of English
n. A lease by a tenant or lessee to another person; an underlease.
The Century Dictionary and Cyclopedia
n. In law, an under-lease; a lease granted by one who is himself a lessee or tenant.
To underlease.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. lease or rent all or part of (a leased or rented property) to another person
n. a lease from one lessee to another
Word Usage
"The amount of sublease space in a market can affect the extent to which landlords can push up rents, because their "direct" space is competing with short-term sublease space that is often much cheaper, and tenants have more bargaining power."