Rosamonde \r(o)-samon-de, ros(a)-mo-nde\ as a girl's name is a variant of Rosamond (Old German), and the meaning of Rosamonde is "horse protector".
The baby name Rosamonde sounds like Rozamond, Rosemonda, Rosemond, Rosamunda and Rosamund. Other similar baby names are Romonde, Ramonde and Rosalinde.