Reference: Baths
Easton
The use of the bath was very frequent among the Hebrews (Le 14:8; Nu 19:19, ect.). The high priest at his inauguration (Le 8:6), and on the day of atonement, was required to bathe himself (Le 16:4,24). The "pools" mentioned in Ne 3:15-16; 2Ki 20:20; Isa 22:11; Joh 9:7, were public bathing-places.
See Verses Found in Dictionary
And Moses brought Aaron, and his sons, and washed them with water,
"And he that is cleansed shall wash his clothes and shave off all his hair, and wash himself in water, and then he is clean. And after that he shall come into the host, but shall tarry without his tent seven days.
And he shall put the holy linen alb upon him, and shall have a linen breech upon his flesh, and shall gird him with a linen girdle, and put the linen mitre upon his head: for they are holy raiments. And he shall wash his flesh with water, and put them on.
And let him wash his flesh with water in the holy place, and put on his own raiment, and then come out and offer his burnt offering and the burnt offering of the people, and make an atonement for himself and for the people;
And the clean person shall sprinkle upon the unclean the third day and the seventh day. And the seventh day he shall purify himself and wash his clothes and bathe himself in water, and shall be clean at evening.
But the Well gate builded Shallum the son of Colhozeh, the ruler of the fourth part of Mizphah; He builded it, covered it, and set on the doors, locks, and bars thereof, and the wall unto the pool of Siloam by the king's garden, unto the steps that go down from the city of David. After him builded Nehemiah the son of Azbuk, the ruler of the half quarter of Bethzur, until the other side over against the sepulchers of David, and to the pool that was repaired, and unto the house of the mighty.
And ye shall make a pit betwixt the twain walls of the water of the old pool, and nothing regard him that took it in hand, and made it long ago.
and said unto him, "Go wash thee in the pool of Siloam" - which by interpretation, signifieth Sent. He went his way and washed, and came again seeing.