English to English

noun (n)

• the floor of a building that is at or nearest to the level of the ground around the building

  lantai gedung itu di atau dekat dengan tingkat tanah di sekitar bangunan

  Synonym:
  first floor, ground level
  

  source: wordnet30
• becoming part of a venture at the beginning (regarded as position of advantage)

  menjadi bagian dari sebuah perusahaan di awal (dianggap sebagai keuntungan dari posisi)

  Example:
  He got in on the ground floor.
  

  source: wordnet30