Crossword Genius

Reservation often securing such accommodation (5)

Ross

I believe the answer is:

tepee

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'accommodation' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe there's a link between them I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for tepee that I've seen before include "Wherein Sioux" , "Native American tent" , "Traditional tent of N American aborigine" , "temporary shelter" , "North American Indian tent" .)

I've seen this clue in The Telegraph.
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