Definition of 拇指 (ぼし)

noun
•
thumb, pollex(anatomical term)
Other readings:
母指【ぼし】
、
栂指【ぼし】[1]
Notes:
  1. word containing irregular kanji usage
Related Kanji
拇 thumb
指 finger, point to, indicate, put into, play (chess), measure (ruler)
母 mother
栂 hemlock, (kokuji)