2. (n.)Mayo Charles Horace, 1865–1939, and his brother William James, 1861–1939, U.S. surgeons.
3. Mayo a county in NW Connaught province, in the NW Republic of Ireland. 115,016; 2084 sq. mi. (5400 sq. km).
Definition of 'mayo'
Princeton's WordNet
1. (noun)mayonnaise, mayo egg yolks and oil and vinegar
Definitions of 'mayo'
The Nuttall Encyclopedia
1. mayo maritime county in Counaught, west of Ireland, between Sligo and Galway; has many indentations, the largest Broadhaven, Blacksod, and Clew Bays, and islands Achil and Clare, with a remarkable peninsula The Mullet; mountainous in the W., the E. is more level, and has Lough Conn and the Moy River; much of the county is barren and bog, but crops of cereals and potatoes are raised; cattle are reared on pasture lands; there are valuable slate quarries and manganese mines; Castlebar (4), in the centre, is the county town; Westport (4), on Clew Bay, has some shipping.
Definitions of mayo 
