Definition of nook
1
chiefly Scotland
: a right-angled corner
2a
: an interior angle formed by two meeting walls
b
: a secluded or sheltered place or part
searched every nook and cranny
c
: a small often recessed section of a larger room
a breakfast nook
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Merriam-Webster unabridged
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Time Traveler for nook
The first known use of nook was in the 14th century
See more words from the same century