光柱

Traditional form:

光柱

Pinyin (reading):

guāngzhù

Definitions:

• light beam
• light pillar (atmospheric optics)

Characters:

• 光 - light; bright, brilliant; only, merely
• 柱 - to lean on; pillar, post, support

Traditional characters:

• 光 - light; bright, brilliant; only, merely
• 柱 - to lean on; pillar, post, support