bottom of the ocean; seafloor; seabed; undersea; submarine
valley floor; bottom of a gorge; bottom of a ravine
sole (of a shoe); sole (fish)
thick soles; thick-soled footwear
false bottom; fake bottom; raised bottom; exaggeration; overstatement
(inner) bottom of a pot; lingering recession
thick glasses; (lit.) bottle bottom glasses
platform shoes; thick-soled shoes
bottom rim of earthenware cup
double dip; double-dip recession; second bottom; double bottom
insole; perforated divider in a food steamer
lingering recession; an economy that lingers in the doldrums after bottoming out