Definition of "celly"

So tragic, need a hot meal in my baby’s belly / Reminisce no hard times in my pen, in my celly, / I ain’t tryna go back, cause backwards ain’t part of my PJ

2000, “Win Or Lose”, in Baller Blockin, performed by Rappin’ 4-Tay, from 2:43

I was locked up in my celly / Murder for hire, no snitchin or tellin / I got no calls or no type of mailin

2017 October 7, “No questions”, in Who Am I 3‎, performed by BlocBoy JB

You got no hand skills, there's no security to save ya / No pager, no celly, no drop top Benz-y

1998, “Moment of Truth”, in Moment of Truth, performed by Gang Starr

[…] but I am ready to dip / to the telly with my relly / cuz these fuckin git up chicks keep blowin up my celly.

2007, “Fucc & Git Up”, in DZ (lyrics), Sleepless City Livin, performed by DZ ft. Gangsta Nutt, from 1:59

This a celly / That's a tool / On my Kodak

2018, “This Is America”, in CG4, performed by Childish Gambino