櫓

Han character

 * 1) scull, sweep, oar
 * 2) to row
 * 3) lookout turret on a city wall, movable wooden tower for archers

Glyph origin
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Definitions

 * 1) scull
 * 2) large shield

Etymology
Compound of and. See also 🇨🇬.

Noun

 * 1) watchtower, turret