tombstone (EN)
명사

명사 “tombstone”

sg. tombstone, pl. tombstones
  1. 묘비
    The old cemetery was filled with tombstones, each bearing the name and dates of the person buried beneath.
  2. 수학에서 증명의 끝을 나타내는 데 사용되는 "∎" 기호를 가리킵니다.
    After carefully laying out each step of the theorem, the mathematician concluded the proof with a tombstone, signaling to readers that no further explanation was needed.