A short shout or call used to encourage, coordinate timing, or motivate people (e.g., chants, yells, or timing shouts).
試合中、選手たちは互いに掛け声をかけて士気を高めた。
During the match, the players shouted encouragements to each other to boost morale.
荷物を持ち上げるときに「せーの」と掛け声をかけた。
When lifting the luggage they called out 'Se-no' as a coordinating shout.
祭りでは屋台の人たちが大きな掛け声で客を呼び込む。
At festivals, stall vendors call customers in with loud shouts.