Mythical bird (3)
'mythical bird' is the definition.
(mythical giant bird)
This is the entire clue.
(Other definitions for roc that I've seen before include "Mythical bird; sounds like boulder" , "Cor! what a fabulous bird" , "Sinbad's monster bird" , "Legendary thing" , "Mythical creature from Arabia" .)
'mythical bird' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for phoenix that I've seen before include "part of Arizona" , "Legendary Arabian bird" , "Mythical bird rising from funeral pyre" , "One able to rise from the ashes" , "Legendary bird -- Arizona city" .)