Jōyō kanji, Taught in junior high
JLPT level: N1
1736 of 2500 most used kanji in newspapers
Stroke count: 13
Meaning: gutter, ditch, sewer, drain, 10**32
Kunyomi: みぞ
Onyomi: コウ
Composition: 氵 冓
Radical: 水
Meaning: water
溝 (コウ) 10^32, hundred nonillion
溝渠 (コウキョ) ditch, sewer, canal
排水溝 (ハイスイコウ) drainage, gutter, ditch
海溝 (カイコウ) ocean trench, deep
溝 (みぞ) ditch, drain, gutter, trench, groove, tread, gap (between people, countries, etc.), gulf, rift
溝隠 (みぞかくし) Chinese lobelia (Lobelia chinensis)
押さえ溝 (おさえみぞ) groove in the body of wooden plane which holds the blade
逃げ溝 (にげみぞ) clearance groove, under cut