The machinist carefully measured the diameter of the shaft's boss to ensure the gear would fit snugly.
a decorative carving that covers the junction of a vault's or ceiling's ribs.
The architect pointed out the intricate floral boss where the Gothic vault's ribs converged, creating a stunning focal point.
a huge lump of igneous rock projecting through other layers.
"The erosion carved away the softer sedimentary rock, exposing a massive igneous boss."
1. a person who is in charge of a worker, group, or organization.
2. an enemy in a videogame, typically with greater health than other enemies in the videogame, and typically encountered at the end of a level, world, or whatever
1. some bosses are just too strict.
2. i finally defeated this boss!