Definitions
A building or apartment reached by stairs.
Word origin
From walk + up.
Used in a sentence
“The apartment is in the Flowerbox Building, a new doorman condominium on East Seventh Street named after the built-in, self-watering flower boxes that stand in contrast to the street’s dingier tenement walkups.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Stair apartment”6 letters
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