täti (englanniksi)

aunt (s: isän tai äidin sisar / colloquial)
lady (s: vieras aikuinen nainen)
as mother's or father's sister (s)
as the wife of an uncle (s: colloquial)
paternal as well as maternal (s: colloquial)
Any woman other than the close relatives (s: childish)
Any older (s: colloquial)
but usually not very old woman (s: colloquial / The latter are referred to as mummo)