Senses
一口 a mouthful
a mouthful; a bite; a small amount of something consumed or the entire capacity of the mouth (e.g. of a smell or food)
一口 [classifier]
classifier for wells, bells, pots, and knives
一口 [accent]
Used to describe a person's fluency or accent when speaking a language
一口 readily
readily or flatly; used to describe a firm or unwavering tone when making a statement, denial, or promise
一口 one voice
(literary) with one voice; in unison
一口 person
(archaic) a person, especially in the context of counting family members or slaves in a household