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rook

1 ENTRIES FOUND:
rook /ˈrʊk/ noun
plural rooks
rook
/ˈrʊk/
noun
plural rooks
Britannica Dictionary definition of ROOK
[count]
1 
: a large, black European bird that is related to the crow
2 
: a piece in the game of chess that looks like a castle tower : castle — see picture at chess