Cavalier bears this? (5)

I believe the answer is:

sabre

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'this?' is the definition.
The definition suggests a singular noun which matches the answer.

'cavalier bears' is the wordplay.
'cavalier' is an anagram indicator (a cavalier or careless spelling).
'bears' is an anagram of 'SABRE'.

Can you help me to learn more?

(Other definitions for sabre that I've seen before include "Type of sword" , "weapon" , "Bares (anag.)" , "Sword (that may be rattled)" , "Heavy cavalry sword" .)

I've seen this clue in The Sun.

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