plane for truing the soles of other planes
A specialized woodworking plane whose blade is set at 90 degrees to the base, used to flatten and maintain the soles of other wooden planes.
A dai-naoshi kanna is a specialized plane for flattening the soles of other planes.
Standard kanji spelling for this specialized woodworking tool.
Mixed kanji-kana spelling; may be easier for learners to read.
Compound of 台 (dai, 'base, stand') + 直し (naoshi, 'fixing, correcting') + 鉋 (kanna, 'plane'). The name describes its function: a plane for fixing the base of other planes.