Word Study
rubrical |
rubricate |
rubrician |
rubricist |
rubricity |
rubstone
| rubus
| rubus australis
| rubus caesius
| rubus canadensis
| rubus chamaemorus
rubstone
CIDE DICTIONARY
rubstone, n.
A stone for scouring or rubbing; a whetstone; a rub. [1913 Webster]
For further exploring for "rubstone" in Webster Dictionary Online