JMdict: 1546760

要塞 【ようさい】

  1. [n] fort; stronghold; fortification
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
要 Need, Main Point, Essence, Pivot, Key To ヨウ い.る, かなめ
塞 Close, Shut, Cover, Block, Obstruct ソク, サイ ふさ.ぐ, とりで, み.ちる