出典:Wiktionary
From the verb phrase wet down.
wetdown (複数形 wetdowns)
出典:Wikipedia
出典:『Wikipedia』 (2011/02/04 05:40 UTC 版)
A wetdown is a ritual celebrated by many volunteer fire departments in the United States in which squads of firefighters from neighboring towns ritualistically commission a new fire apparatus by anointing it with water sprayed from the visitors' firefighting equipment.