Meanings
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1
adv
in bed, especially while resting, sleeping, or remaining there later than usual
The servants were still lying abed when the doctor arrived at ten o'clock.
Thesaurus
Etymology
From Middle English abedde or on bedde, from Old English on bedde ("in bed"). The initial a- is the reduced form of the preposition on, as in asleep and ashore, so the word literally means "in or on bed."