Crossword Genius

Carrier in second group (8)

Ross

I believe the answer is:

backpack

'carrier' is the definition.
(a backpack carries things)

'second group' is the wordplay.
'second' becomes 'back' (to second a motion is to back it).
'group' becomes 'pack' (pack can mean a group of things).
'back'+'pack'='BACKPACK'

'in' is the link.

(Other definitions for backpack that I've seen before include "Rucksack" , "It carries stuff" , "travel light?" , "luggage" , "Hike" .)

I've seen this clue in The Times.
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