Definition of mcnair:
(n) :
A surname from Scottish Gaelic.
(n) :
A number of places in the United States:
(n) :
An unincorporated community in Fayetteville Township, Washington County, Arkansas.
(n) :
An unincorporated community in Lake County, Minnesota.
(n) :
An unincorporated community in Harris County, Texas.
(n) :
A census-designated place in Fairfax County, Virginia.