chaise longue /ˌʃeɪz ˈlɒŋ $ -ˈlɒːŋ/ BrE AmE noun ( plural chaises longues (same pronunciation) ) [countable]
[ Date: 1800-1900 ; Language: French ; Origin: 'long chair' ]
1 . a long chair with an arm only at one end, on which you can sit and stretch out your legs
2 . American English a long chair with a back that can be upright for sitting, or can lie flat for lying down