Definition of 開口部 (かいこうぶ)
かいこうぶ
開口部
かいこうぶ
kaikoubu
noun
•
aperture
Related Kanji
| 開 | open, unfold, unseal |
| 口 | mouth |
| 部 | section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine |