1 definition by Walla Rocka

1

The rock above and below a volcanic sills

The curtain rocks were made of quartz, while the sill was made of obsidian

by Walla Rocka March 12, 2019

Get the mug

Get a Curtain Rock mug for your barber Rihanna.

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request