single-hung

[ sing-guh l-huhng ]
/ ˈsɪŋ gəlˈhʌŋ /

adjective

(of a window) having two sashes, only one of which is movable.

Origin of single-hung

First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019