soother /ˈsuðɚ/noun 2verb 1forms 3 noun2 •One who, or that which, soothes. •(Canada, Ireland) A pacifier; a plastic device that goes into a baby’s mouth, used to calm and quiet the baby.Customs earlier received a referral from a related organisation that suspected unsafe soother holders were being supplied on the market. — 2024 verb1 •To soothe. formssoothered · soothering · soothers