Imaginary line around the Earth (8)

I believe the answer is:

parallel

'imaginary line around the earth' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for parallel that I've seen before include "Always equidistant, never intersecting" , "bars in gym?" , "Imaginary line around the Earth" , "Continuously at equal distances apart" , "Corresponding" .)

I've seen this clue in The Irish Times.

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