邊材 [边－]

Jyutping bin1 coi4
Pinyin biān cái

Definitions (CC-CEDICT)
  1. sapwood (between vascular cambium and pith inside growing wood)
Definitions (Wiktionary)
  1. noun
    sapwood
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）