Mythical vessel (4)

I believe the answer is:

argo

'mythical vessel' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for argo that I've seen before include "Transport to find the Golden Fleece" , "Famous ship" , "Ancient ship" , "Ship Jason sailed to find the Golden Fleece" , "Jason's legendary ship" .)

I've seen this clue in the Newsday, the L.A. Times Daily, the Newsday.com and The Washington Post.

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