欄 means “column, box (on a form)”

らん · ran

Also: handrail, blank, space

Kun'yomi (Japanese reading)
てすり
On'yomi (Chinese reading)
ラン

JLPT N1 · Taught in secondary school · 20 strokes

The story

Wood (木) beside a gate (門) holding 柬, to sort and pick out: 欄 once meant a railing, as in 欄干, a bridge's handrail, and now the neat boxes of a page: a column in the paper, or the 空欄, the blank you fill in on a form.

Used in 空欄 (kuuran, blank space), 解答欄 (kaitouran, answer box), and 欄干 (rankan, railing)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.