'Semidetached house' definitions:

Definition of 'semidetached house'

From: WordNet
noun
A house with two units sharing a common wall [syn: duplex house, duplex, semidetached house]

Definition of 'Semidetached house'

From: GCIDE
  • Semidetached \Sem`i*de*tached"\, a. Half detached; partly distinct or separate. [1913 Webster]
  • Semidetached house, one of two tenements under a single roof, but separated by a party wall. [Eng.] [1913 Webster]