Of, pertaining to, or containing boulders / (climbing) involving, or resembling, bouldering

A rounded stone that is larger than a pebble; a cobblestone. / A boulder.

Without boulders.

(music) Any of various Caribbean drums.

plural of boulangerite

An opal consisting of concretions and fracture fillings in a dark siliceous ironstone matrix.

plural of boulder opal

plural of over-the-shoulder boulder holder

(slang, humorous) A large bra.

Obsolete form of boldly.