1. a soft, soothing sound or word used to calm or lull a baby to sleep
Usage: often used in lullabies; informal

1. a lullaby or soothing song sung to put a child to sleep
Usage: informal; chiefly used in the phrase 'hushabye baby'

Examples

• She sang a gentle hushabye to her fussy infant.
• The mother whispered 'hushabye' as she rocked the baby.
• A soft hushabye echoed through the nursery.
• He hummed a hushabye to calm the crying child.
• The old hushabye had soothed generations of babies in that family.