• (n.) A spur or projection of a mountain. • (n.) A kind of buttress of masonry to strengthen a revetment wall.
A foundation wall section that strengthens (and is generally perpendicular to) a long section of foundation wall. 
defence work of besieging force
Coun'ter·fort` noun 1. (Fort.) A kind of buttress of masonry to strengthen a revetment wall. 2. A spur or projection of a mountain. Imp. Dict. 
- A foundation wall section that strengthens (and generally perpendicular to) a long section of foundation wall
In fortifications a counterfort was a kind of buttress of masonry intended to strengthen a revetment wall.
A foundation wall section that strengthens (and generally perpendicular to) a long section of foundation wall.
defence work of besieging force
A foundation wall section that strengthens (and generally perpendicular to) a long section of founda
A foundation wall section that strengthens (and generally perpendicular to) a long section of foundation wall
a buttress, esp. one for strengthening a basement wall against the pressure of earth. · a cantilevered weight, as in a retaining wall, having the form of a pier built on the side of the material to be retained.