innerspring

Related to innerspring: innerspring mattress

in·ner·spring

I0151400 (ĭn′ər-sprĭng′)adj. Having numerous coil springs enclosed by a padded cover: an innerspring mattress.

innerspring

(ˈɪnəˌsprɪŋ) adj(of a mattress) having coil springs inside a padded casing

in•ner•spring

(ˈɪn ərˌsprɪŋ)

adj. having a large number of enclosed coil springs within an overall padding, as a mattress. [1925–30]