acorn cup
noun
The rough cup-shaped involucre in which the acorn grows.
Origin
Mid 16th century; earliest use found in Thomas Phaer (?1510–1560), translator and physician.
- megagametocyte
- megagametogenesis
- megagametophyte
- megahertz
- megahit
- megakaryoblast
- megakaryocyte
- megakaryocytic
- megalaesthete
- megalencephaly
- megalesthete
- megaliter
- megalith
- megalithic
- megalithic fathom
- megalithic yard
- megalitre
- megalo-
- megaloblast
- megaloblastic
- megalocephalic
- megalocephaly
- Megaloceros
- megalocyte
- megalocytosis