chin curtain
facial hair grown full and long over the jaw and chin, meeting with the sideburns, lacking a moustache
en-US/ˈt͡ʃɪn ˈkɝtən/
en-GB/ˈt͡ʃɪn ˈkɜːtn/
facial hair grown full and long over the jaw and chin, meeting with the sideburns, lacking a moustache