ALBURNUM

Etymology

Noun

alburnum (usually uncountable, plural alburnums)

sapwood; the soft, newer wood in the trunk of a tree found between the bark and the hardened heartwood.

Anagrams

• laburnum

Source: Wiktionary

Al*bur"num, n. Etym: [L., fr. albus white.] (Bot.)

Definition: The white and softer part of wood, between the inner bark and the hard wood or duramen; sapwood.

Source: Webster’s Unabridged Dictionary 1913 Edition