baulk

BEAM
WordClue
BARobstruction, clog
RAYbeam of light or radiation
CLOGobstruction, check
BAULKbeam
CHECKobstruction, obturation
GLEAMray, beam
BREADTHbeam
HINDRANCEobstruction, barrier
DIFFICULTYobstruction
IMPEDIMENTobstruction, interruption
OBTURATIONobstruction, impediment
SEPARATIONinterruption, obstruction
CHARLESBaudelaire, writer
MINERALbauxite or quartz