Often
sub·floor·ing.
Also called
blind floor.
Words nearby subfloor
subfamily,
subfebrile,
subfertility,
subfield,
subfix,
subfloor,
subfreezing,
subfusc,
subfuscous,
subgenre,
subgenus
British Dictionary definitions for subfloor
subfloor
/ (ˈsʌbˌflɔː) /
noun
a rough floor that forms a base for a finished floor