Definition of roost
(Entry 1 of 2)
1a
: a support on which birds rest
b
: a place where winged animals and especially birds customarily roost
2
: a group of birds roosting together
roost
verb
roosted; roosting; roosts
Definition of roost (Entry 2 of 2)
1
: to settle down for rest or sleep : perch
2
: to settle oneself as if on a roost
: to supply a roost for or put to roost
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Merriam-Webster unabridged
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Time Traveler for roost
The first known use of roost was before the 12th century
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