clear stuff

archaic uncountable

(archaic) Boards, planks, etc., that are free of knots.

Japanese Meaning

節のない木材（節や節引きのない板・材）

The shipwright inspected the clear stuff before building the hull to make sure there were no weak spots.

船大工は船体を組み立てる前に弱点がないか確認するため、節のない板を点検した。

Sense（1）

(archaic) Boards, planks, etc., that are free of knots.