plainrock
nounUK /ˈpleɪn.rɒk/
US /ˈpleɪn.rɑːk/
A plain rock is a simple stone with nothing special on it.
She picked up a plainrock from the beach and put it in her pocket.
OTHER MEANINGS
2. A style of music that is simple and not fancy.
The band played plainrock all night at the small club.
3. A basic, unadorned type of candy that is hard and clear.
He bought a bag of plainrock candy at the old shop.
4. A straightforward, no-frills approach to something.
Their plan was plainrock: work hard and save money.