Crossword Clue:

something that cannot be understood or explained

AnswerCrossword Clue
CREAMWhip ... or something that can be whipped
CASESomething that can be tried or cracked
LIPSomething that may be bitten or busted
SAILSomething that may be trimmed or rigged
REARBring up ... or something that might be brought up
TABSomething that might be kept open at a bar or on a computer