スリーパー

スリーパーsuriipaa

noun

  1. sleeper
  2. sleeping person
  3. wearable blanket
  4. sleeper agent
  5. sleeper (bowling)

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences