Verses with the word locks in the Old Testament (15 verses):

Numbers 6:5
All the days of the vow of his separation there shall no razor come upon his head: until the days be fulfilled, in the which he separateth himself unto the LORD, he shall be holy, and shall let the locks of the hair of his head grow.

Judges 16:13
And Delilah said unto Samson, Hitherto thou hast mocked me, and told me lies: tell me wherewith thou mightest be bound. And he said unto her, If thou weavest the seven locks of my head with the web.

Judges 16:19
And she made him sleep upon her knees; and she called for a man, and she caused him to shave off the seven locks of his head; and she began to afflict him, and his strength went from him.

Nehemiah 3:3
But the fish gate did the sons of Hassenaah build, who also laid the beams thereof, and set up the doors thereof, the locks thereof, and the bars thereof.

Nehemiah 3:6
Moreover the old gate repaired Jehoiada the son of Paseah, and Meshullam the son of Besodeiah; they laid the beams thereof, and set up the doors thereof, and the locks thereof, and the bars thereof.

Nehemiah 3:13
The valley gate repaired Hanun, and the inhabitants of Zanoah; they built it, and set up the doors thereof, the locks thereof, and the bars thereof, and a thousand cubits on the wall unto the dung gate.

Nehemiah 3:14
But the dung gate repaired Malchiah the son of Rechab, the ruler of part of Bethhaccerem; he built it, and set up the doors thereof, the locks thereof, and the bars thereof.

Nehemiah 3:15
But the gate of the fountain repaired Shallun the son of Colhozeh, the ruler of part of Mizpah; he built it, and covered it, and set up the doors thereof, the locks thereof, and the bars thereof, and the wall of the pool of Siloah by the king's garden, and unto the stairs that go down from the city of David.

Canticles 4:1
Behold, thou art fair, my love; behold, thou art fair; thou hast doves' eyes within thy locks: thy hair is as a flock of goats, that appear from mount Gilead.

Canticles 4:3
Thy lips are like a thread of scarlet, and thy speech is comely: thy temples are like a piece of a pomegranate within thy locks.

Canticles 5:2
I sleep, but my heart waketh: it is the voice of my beloved that knocketh, saying, Open to me, my sister, my love, my dove, my undefiled: for my head is filled with dew, and my locks with the drops of the night.

Canticles 5:11
His head is as the most fine gold, his locks are bushy, and black as a raven.

Canticles 6:7
As a piece of a pomegranate are thy temples within thy locks.

Isaiah 47:2
Take the millstones, and grind meal: uncover thy locks, make bare the leg, uncover the thigh, pass over the rivers.

Ezekiel 44:20
Neither shall they shave their heads, nor suffer their locks to grow long; they shall only poll their heads.