Answer:

inatub

Answer	Crossword Clue
INATUB	Nursery rhyme bathing spot
INATUB	How oleo may come
INATUB	Bathing

INATUB	Place for three men?
INATUB	Where to find three men?
INATUB	Soaking and relaxed
INATUB	Place for a nursery rhyme trio
INATUB	"Three men ...."
INATUB	" . . . three men ...."
INATUB	"Three men ..."
INATUB	Place for a male trio

INATUB	Where "three men" of rhyme are
INATUB	Place for three men of verse
INATUB	Like three men of rhyme
INATUB	'Rub-a-dub-dub three men --',
INATUB	Where to find three men
INATUB	Nursery rhyme trio setting
INATUB	Like a trio of rhyme
INATUB	Nursery rhyme trio's place

INATUB	"Rub-a-dub-dub" line ender