What is the meaning of terrace?

noun

• Usually paved outdoor area adjoining a residence.
  • synonyms: patio
• A level shelf of land interrupting a declivity (with steep slopes above and below.
  • synonyms: bench
• A row of houses built in a similar style and having common dividing walls (or the street on which they face. )
  • usage: "Grosvenor Terrace"

verb

• Provide (a house) with a terrace.
  • usage: "We terrassed the country house"
  • synonyms: terrasse
• Make into terraces as for cultivation.
  • usage: "The Incas terraced their mountainous land"