knee-high
[ adjective nee-hahy; noun nee-hahy ]
/ adjective ˈniˈhaɪ; noun ˈniˌhaɪ /
adjective
as high as the knees.
noun
knee-highs. Also knee highs, knee-hi's, knee his.
socks, stockings, or boots that cover the lower legs to just below the knees.
Origin of knee-high
An Americanism dating back to 1735–45