D defs.my
Entry 1 sense Webster, 1913

Underlease

· Un·der·lease · IPA /ˈʌndə(ɹ)ˌliːs/
01 n. A lease granted by a tenant or lessee; especially, a lease granted by one who is himself a lessee for years, for any fewer or less number o…
  1. 1.
    A lease granted by a tenant or lessee; especially, a lease granted by one who is himself a lessee for years, for any fewer or less number of years than he himself holds; a sublease.(Law)