S: (v) protect (shield from danger, injury, destruction, or damage) "Weatherbeater protects your roof from the rain"
S: (v) defend (be on the defensive; act against an attack)
S: (v) prevent, keep (stop (someone or something) from doing something or being in a certain state) "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
W: (n) wall [Related to: wall] (a masonry fence (as around an estate or garden)) "the wall followed the road"; "he ducked behind the garden wall and waited"
W: (n) wall [Related to: wall] (an embankment built around a space for defensive purposes) "they stormed the ramparts of the city"; "they blew the trumpet and the walls came tumbling down"
W: (n) wall [Related to: wall] (an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure) "the south wall had a small window"; "the walls were covered with pictures"
W: (n) palisade [Related to: palisade] (fortification consisting of a strong fence made of stakes driven into the ground)
W: (n) fence [Related to: fence] (a barrier that serves to enclose an area)
W: (n) surround [Related to: surround] (the area in which something exists or lives) "the country--the flat agricultural surround"