dǐng​bǎn

abacus

顶板 (頂板) dǐng​bǎn
abacus noun
The flat slab forming the uppermost part of a column capital in architecture.
mine roof noun
The rock layer or stratum forming the ceiling of a mine, cave, or underground excavation.
roof plate noun
The top structural slab or roof plate of a building, tunnel, or other construction.

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
0.918 per million

Sources

Definitions
CC-CEDICT