The Collaborative International Dictionary of English v.0.48:
chuckhole \chuck"hole`\ n. a pit or hole produced by wear or weathering especially in a road surface. Syn: pothole. [WordNet 1.5]WordNet (r) 3.0 (2006):
chuckhole n 1: a pit or hole produced by wear or weathering (especially in a road surface) [syn: pothole, chuckhole]