Underpin(v. t.) To lay stones, masonry, etc., under, as the sills of a building, on which it is to rest.
Underpin(v. t.) To support by some solid foundation; to place something underneath for support.
Underpinned(imp. & p. p.) of Underpin
Underpinning(n.) The act of one who underpins; the act of supporting by stones, masonry, or the like.
Underpinning(n.) That by which a building is underpinned; the material and construction used for support, introduced beneath a wall already constructed.
Underpinning(n.) The foundation, esp. of a frame house.
Underpinning(p. pr. & vb. n.) of Underpin
Words within underpinnings