palm court
/ˈpɑːm kɔːt/ /ˌpɑːm ˈkɔːt/noun
1A large room or patio, especially in a hotel, decorated with palm trees.
2Light orchestral music of a type formerly played in the palm courts of hotels, etc. Frequently attributive, as palm court music, palm court number, etc.
Origin
Late 19th century; earliest use found in Blackwood's Magazine. From palm + court.