Type of house (4)
'type of house' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for semi that I've seen before include "eg Half a house" , "Partly detached home" , "Type of house (UK) - type of truck (US)" , "House linked to another" , "House sharing a wall" .)
'type of house' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for villa that I've seen before include "Country house (in Aston?)" , "Detached house" , "Roman domicile" , "SECOND PART OF 8" , "Ancient Roman country house" .)