Sills is a noun.
DefinitionsSills refers to the horizontal piece at the bottom of a window or door frame.
PronunciationsUS: /sɪlz/
UK: /sɪlz/
Origin and UsageThe word sills originated from Middle English and Old English. It was originally spelled as sylle or syl, which means "threshold" or "lower part of a door or window." The usage of the word has remained relatively consistent throughout history, referring to the horizontal piece at the bottom of a window or door frame.
SynonymsSome synonyms for sills include threshold, base, and ledge.
Related WordsSome related 5 letter words to sills include bills, hills, mills, and still.
Example Sentences