also: はいばん
noun
backboard
General term for a board placed at the back of something, such as furniture, a vehicle, or a piece of equipment.
この棚の背板は薄いベニヤでできている。
The backboard of this shelf is made of thin plywood.
noun
dorsal plate; tergum
Only with reading はいばん
Entomological term for the hardened plate on the upper (dorsal) side of an insect segment. Read as はいばん.
昆虫の背板は、体節の背面を覆う硬い板状の部分である。
The dorsal plate of an insect is the hard, plate-like part covering the back of each body segment.
Compound of 背 (back) and 板 (board, plate). The reading せいた is the standard kun'yomi compound reading, while はいばん is an on'yomi reading used in specialized biological contexts.