木材流送 もくざいりゅうそう Meanings Noun sending logs downstream bound together in rafts; floating bound timber downstream; timber rafting See also: 筏流し (いかだながし). Kanji 木 tree. Read as モク. 材 material. Read as ザイ. 流 flow. Read as リュウ. 送 send. Read as ソウ. Jinuma: Japanese Dictionary · Word lists