What is the meaning of Alder?

Any of several trees or shrubs of the genus Alnus, belonging to the birch family.

An alderman or alderwoman.

age

A leader or ruler.

↑ “alder, n.(2).”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.

↑ “alderman, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.

↑ Bammesberger, Alfred (1 September 2003), “The Provenance of the Old English Suffix -estre”, in North-Western European Language Evolution (NOWELE), volume 43, John Benjamins Publishing Company, →DOI, →ISSN, →OCLC, page 60.

alternative form of aldre

age

age

then

when

when

if, in case that

all

whole, complete

lifetime

age (how old someone or something is)

age, era

old age

Source: wiktionary.org