bowlder

Synonyms:

boulder

Examples:

Plymouth Rock

a boulder in Plymouth supposed to be where the Pilgrims disembarked from the Mayflower

Types:

glacial boulder

a boulder that has been carried by a glacier to a place far distant from its place of origin

river boulder

a boulder that has been carried by a river to a place remote from its place of origin

shore boulder

a boulder found on a shore remote from its place of origin

Type of:

rock, stone

a lump or mass of hard consolidated mineral matter