Old sailer might bloom (9)

I believe the answer is:

mayflower

I'm a little stuck... Click here to teach me more about this clue!

'old sailer' is the definition.
The definition suggests a singular noun which matches the answer.

'might bloom' is the wordplay.
'might' becomes 'may' (I've seen this in another clue).
'bloom' becomes 'flower' (synonyms).
'may'+'flower'='MAYFLOWER'

Can you help me to learn more?

(Other definitions for mayflower that I've seen before include "Tree" , "Famous vessel" , "Ship on which the Pilgrim Fathers sailed to America" , "Pilgrims Fathers' ship" , "Historic vessel" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.