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Mast (botany)
Mast is the "fruit of forest trees like acorns and other nuts". It is also defined as "the fruit of trees such as beech, and other forms of Fagaceae". Alternatively, it can also refer to "a heap of nuts".〔 The term "mast" comes from the old English word "mæst", meaning the nuts of forest trees that have accumulated on the ground, especially those used as food for fattening domestic pigs.
More generally, ''mast'' is considered the edible vegetative or reproductive part produced by woody species of plants, i.e. trees and shrubs, that wildlife species and some domestic animals consume. It comes in two forms.
== Hard mast ==
Tree species such as oak, hickory, and beech produce a hard mast - acorns, hickory nuts, and beechnuts. It has been traditional to turn pigs loose into forests to fatten on this form of mast. Also branch tips of the latest year's growth are eaten by some wildlife, such as deer.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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