The Collaborative International Dictionary of English v.0.48:
bouldered \bouldered\ adj. abounding in large rocks or stones; as, bouldered fields. Syn: rocky, bouldery, stony. [WordNet 1.5]WordNet (r) 3.0 (2006):
bouldered adj 1: abounding in rocks or stones; "rocky fields"; "stony ground"; "bouldery beaches" [syn: rocky, bouldery, bouldered, stony]