Direct course of ox, perhaps (5)

I believe the answer is:

steer

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'direct course of' is the definition.
(to steer is to direct)

I cannot understand how the remainder of the clue works.

(Other definitions for steer that I've seen before include "Guide, control" , "Drive - young ox" , "Direct, fix course" , "Pilot a boat in desired direction" , "Guide - castrated ox" .)

I've seen this clue in The Times.

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