loc
1 of 2variant spelling of lock entry 1 sense 1c
loc
2 of 2verb
ˈläk 
variants or lock
locing ˈlä-kiŋ or locking; loc'd ˈläkt or locked; locs or locks
or locking; loc'd ˈläkt or locked; locs or locks transitive + intransitive
: to form into dreadlocks
Let's face it: The process of waiting for your hair to loc can be both lengthy and frustrating.
Del Sandeen
Del SandeenYou can choose to let the hair loc and then separate it. But you can also part the hair in advance to divide it into distinct sections. Matt Sailor and Yves Jeffcoat
Matt Sailor and Yves JeffcoatChris Gilliam, 37, a 14-year veteran of the Dallas Police Department who began wearing locks last fall, was drawn to the style's symbolism. "If left to its own devices, our hair will lock. People, left to our own devices, maybe we will come together too," he says. David France et al.
David France et al.… they use either braiding hair loc'd with your own hair or faux locs wrapped around your own hair. Sami Roberts
Sami RobertsDeciding to lock your hair is a huge decision, not to mention permanent one. LaParis Hawkins
LaParis Hawkins
Word History
Etymology
Verb
verbal derivative of lock entry 1 in dreadlock
Note: The use as a telic or change of state verb may indicate that the verb lock entry 3 has a role in the derivation.
First Known Use
Verb
1992, in the meaning defined above