Crest of the best unit of speed (3-4)
I believe the answer is:
top-knot
'crest of' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.
'best unit of speed' is the wordplay.
'best' becomes 'top' (top can mean the very best).
'unit of speed' becomes 'knot' (I've seen this in another clue).
'top'+'knot'='TOP-KNOT'
'the' acts as a link.
Can you help me to learn more?
I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution?
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