| MAS | American Revolutionary leader from Virginia whose objections led to the drafting of the Bill of Rights (1725-1792) |
|---|---|
| MAS | a craftsman who works with stone or brick |
| MAS | the boundary between Maryland and Pennsylvania |
| MAS | the boundary between Maryland and Pennsylvania |
| MAS | any of numerous solitary bees that build nests of hardened mud and sand |
| MAS | a town in north central Iowa |
| MAS | a glass jar with an air-tight screw top |
| MAS | any of various solitary wasps that construct nests of hardened mud for their young |
| MAS | solitary wasp that constructs nests of hardened mud or clay for the young |
| MAS | a level longer than a carpenter's level |
| MAS | a trowel used in masonry |
| MAS | the boundary between Maryland and Pennsylvania |