An alternative or corrupted form of 'catamaran'; a type of boat with two parallel hulls (extremely rare usage).
A folk etymological variant or corruption of 'catamaran,' itself from Tamil 'kattumaram' ('tied wood'). The garbled spelling suggests confusion or dialectal transmission of the word.
This looks like someone heard 'catamaran' and tried to spell it phonetically without knowing the real word—it's a ghost word that might only exist in old dictionaries!
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