Answer: FATHOMS

AnswerCrossword Clue
FATHOMSGrasps
FATHOMSUnderstands
FATHOMSMakes sense of
FATHOMSSix-footers?
FATHOMSUnderstands thoroughly.
FATHOMSSounds.
FATHOMSSea depths.
FATHOMSGets to the bottom of.
FATHOMSUnderstands.
FATHOMSFully gets
FATHOMSFishfinder units
fathomsFATHOM, to discover the depth of
fathomsA unit of length equal to six feet (approximately 1.8 m), chiefly used in reference to the depth of water