How do you say mother in Scottish Gaelic?

Answer 1

If you mean Irish Gaelic, it's leasmháthair.

In Scottish Gaelic, it's muime, which can also mean foster-mother, godmother, female guardian, midwife and nurse. Also leas-mhàthair.

Context would be especially important in this case.

Answer 2

màthair - that is how you say mother in Scottish Gaelic. máthair - that is how you say mother in Irish Gaelic.
màthair