Meriol \m(e)-riol\ as a girl's name is a variant of Meriel (Irish, Gaelic), and the meaning of Meriol is "sea nymph; shining sea".
The baby name Meriol sounds like Merial and Merill. Other similar baby names are Aeriel, Auriol, Beril, Jeriel, Marion, Meribel, Mariel, Marial, Meris, Muriel, Murial, Meridel, Meryl, Merrill, Merola, Merl, Merril, Meryll, Merryl, Merel, Meral and Meriam.