red ash1
/ˈrɛd aʃ/noun
1Any of several North American ash trees (genus Fraxinus), especially F. pennsylvanica.
2Any of several Australian trees, especially Alphitonia excelsa (family Rhamnaceae) and Orites excelsa (family Proteaceae).
Origin
Late 18th century; earliest use found in William Hanbury (1725–1778), Church of England clergyman and horticulturist. From red + ash.
red ash2
/ˈrɛd aʃ/noun
US. A variety of coal producing ash of a red colour when burned (more fully red ash coal); frequently attributive.
Origin
Early 19th century (in an earlier sense). From red + ash.