noun, noun or participle which takes 'suru', intransitive verb
circumnavigation; circle tour by ship
Refers to sailing around a body of water, an island, or the world. Used as both a noun and a suru-verb.
彼はヨットで世界を周航した。
He circumnavigated the world by yacht.
湖の周航には半日かかる。
It takes half a day to sail around the lake.
Compound of 周 (around) and 航 (sail/navigate). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning of sailing around.