noun
large tree
Refers to a physically large tree, often emphasizing its size and presence. Common in both literal and figurative contexts.
公園の真ん中に大木が立っている。
A large tree stands in the middle of the park.
巨木 also means 'large tree' but often implies a more massive, ancient, or monumental tree, while 大木 is a more general term for any large tree.
Compound of 大 (large) and 木 (tree). The reading たいぼく is the on'yomi for both characters.