numeral, measure word, particle, verb, directional, punctuation, noun, pronoun · an indefinite small number or a few

桌子上有几本书。

numeral, time word, punctuation, pronoun · interrogative pronoun used to ask about a small quantity, typically less than ten

你家有几口人？

expression, numeral, noun · to lean against a small table while sitting

他靠在书几旁看书。

noun

窗前放着一张小几。

adverb

他当时悲伤过度，几至昏厥。