unbarked lumber; rough timber
Refers to wood or logs that still have the bark attached, often used in construction or rustic settings.
山小屋の柱には黒木が使われている。
Unbarked lumber is used for the pillars of the mountain hut.
This hut was built using unbarked timber.
黒木のままの丸太が庭に積まれていた。
Logs with the bark still on were piled in the garden.
Work to cut and haul rough timber down from the mountain is continuing.
木材 is the broad, usually processed term for lumber, whereas 黒木 refers to raw, unbarked timber.
白木 is plain wood with the bark removed and left unfinished, the opposite of 黒木's bark-still-on state.
Used because kuroki (dark-colored lumber) is a long, stick-like piece of wood, which is naturally counted with 本.
Caulerpa scalpelliformis (species of green alga)
Standard kanji spelling; no kana-only variant is specified.
Compound of 黒 (kuro, 'black') and 木 (ki, 'tree/wood'), referring to the dark appearance of wood with bark still on it.