dul ‧ cet /ˈdʌlsət, ˈdʌlsɪt/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Old French ; Origin: doucet , from douz 'sweet' ]
sb’s dulcet tones someone’s voice – used humorously:
Basil’s dulcet tones could be heard in the corridor.
dul ‧ cet /ˈdʌlsət, ˈdʌlsɪt/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Old French ; Origin: doucet , from douz 'sweet' ]
sb’s dulcet tones someone’s voice – used humorously:
Basil’s dulcet tones could be heard in the corridor.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012