See also: きほ and きぼ

Japanese

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For pronunciation and definitions of ぎぼ – see the following entry.
義母
[noun] a mother by moral principles
[noun] a stepmother
[noun] an adoptive mother
[noun] a mother-in-law (one's spouse's mother)
(This term, ぎぼ, is the hiragana spelling of the above term.)