JMdict: 2227430

縦読み 【たてよみ】

  1. [n,vs,vt] reading the first character of each line of a horizontally written text (to reveal a hidden word or message); reading acrostically
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
縦 Vertical, Length, Height, Self-indulgent, Wayward ジュウ たて
読 Read ドク, トク, トウ よ.む, -よ.み