Pronunciation spelling of what.

(healthcare) Initialism of World Health Assembly: the forum through which the World Health Organization (WHO) is governed by its 194 member states, first held in 1948.

(Shetland) A curlew.

(slang) say what.

plural of wha-up

(Jamaican creole, MLE, MTE) A casual greeting with a meaning similar to what's up.

(slang) The entire amount.

(slang) To the maximum extent.

(interrogative) Which, especially which of an open-ended set of possibilities. / (relative) Which; the ... that. / (relative) Any ... that; all ... that; whatever.

(interrogative) Which thing, event, circumstance, etc.: used in asking for the specification of an identity, quantity, quality, etc. / (fused relative) That which; those that; the thing(s) that.