The Collaborative International Dictionary
knock-knees
knock-knees \knock-knees\ n. 1. knock-knee.
Syn: knock-knee, genu valgum.
Wiktionary
knock-knees
n. (knock-knee English)
Usage examples of "knock-knees".
There was that typical costive, haemorrhoidal facies, the knock-knees, the drooping shoulders, the flat feet splayed out, the ill breath, the large staring eyes, the meek complacency.