木筏

mùfá
wooden raft; log raft

CEDICT

wooden raft (flat structure that floats on water and is used for transport)

Wiktionary

以木材扎成船板形，飘浮水面，用来运货。《三国演义．第一○二回》：「令人扎木筏百馀隻，上载草把，选惯熟水手五千人驾之。」也作「木排」、「木伐」。

重編國語辭典

将木材扎在一起的平板状水面交通工具

維基詞典

Entry Composition

1 木 mù
  1. (bound form) tree
  2. (bound form) wood
  3. unresponsive; numb; wooden
=2 筏 fá variant of 筏 fá
=2 筏 fá raft (of logs)