Definition of boss
i. Arkansas. A coal mine employee not under the jurisdiction of the miner's union.
Ref: Fay
ii. A proturberant and often dome-shaped mass of igneous rock congealed beneath the surface of the Earth and laid bare by erosion.
Ref: Webster 3rd
iii. An igneous intrusion that is less than 40 mi2 (104 km2 ) in surface exposure and is roughly circular in plan.
Compare with: stock
Ref: AGI
Ref: Fay
ii. A proturberant and often dome-shaped mass of igneous rock congealed beneath the surface of the Earth and laid bare by erosion.
Ref: Webster 3rd
iii. An igneous intrusion that is less than 40 mi2 (104 km2 ) in surface exposure and is roughly circular in plan.
Compare with: stock
Ref: AGI