汽笛

Traditional form:

汽笛

Pinyin (reading):

qìdí

Definitions:

• steam whistle
• ship horn

Characters:

• 汽 - gasoline; steam, vapor
• 笛 - bamboo flute; whistle

Traditional characters:

• 汽 - gasoline; steam, vapor
• 笛 - bamboo flute; whistle