Crossword Genius

Two things a lodger may be given with the piano (8)

Ross

I believe the answer is:

keyboard

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'piano' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for keyboard that I've seen before include "one lays hands on" , "Part of piano. computer, etc" , "One produces notes" , "There are various characters on this" , "Computer essential" .)

I've seen this clue in The Globe and Mail.
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