(anthropology) A family system in which a couple's firstborn child lives with them in the family home, and that child's spouse moves into the home of said in-laws, so that the younger couple's children are raised in the home of their grandparents. Usually, the younger offspring move out upon marriage. The inheritance, depending on the culture, may or may not be the most favorable to the firstborn.

(historical or astrology) A day of the traditional ten-day week. / (mythology) One of the ten suns thought to appear in succession on its appointed day of the traditional week.

simple past tense and past participle of stem the tide

present participle of stem the tide

plural of stem-winder

Synonym of heavenly stem.

(physics) A shock wave formed by the fusion of incident and reflected shock waves from an explosion.

plural of stem node

plural of stem siren

plural of stem stitch