teething toy; teether; teething ring
A toy given to infants to help soothe gums during teething.
When I gave the baby a teething toy, they started chewing on it right away.
tooth hardening meal; New Year's feast
A traditional meal eaten during New Year's celebrations, believed to promote strong teeth. Rarely used in modern contexts.
In the past, there was a custom of preparing a tooth hardening meal during the New Year.
Standard spelling.
Irregular okurigana usage; rarely seen.
Compound of 歯 (ha, 'tooth') + 固め (katame, 'hardening'). The exact historical derivation is uncertain.