Rhythmic route to the nickname Cal, but it would take a mighty strong persona to cope with the playground problems. For a boy, that is -- for a girl the name is lovely and lilting.
This hyper-rhythmic name has two evocative references. In Greek mythology, she was an island nymph, a daughter of Atlas, who delayed Odysseus from returning home. It is also a genre of West Indian music, originating in Trinidad and Tobago and largely popularized in the States by Harry Belafonte.