Meaning

noun usually paved outdoor area adjoining a residence

noun a level shelf of land interrupting a declivity (with steep slopes above and below)

noun a row of houses built in a similar style and having common dividing walls (or the street on which they face)

originBorrowed from French terrasse, from Old Occitan terrassa, from terra (“land”). Doublet of terrasse.

Etymology from Wiktionary, CC BY-SA 3.0