2. (stative) be unpalatable, acidic.
Nā te mahi a te ua kawa, ka pūnguru ētahi rawa hanga whare, ka māngeongeo te kiri o te tangata, ka kawa hoki ngā awa me ngā roto (TKI 7/2011). / Because of the action of the acid rain, some equipment for house building corrodes, a person's skin becomes itchy and the rivers and lakes are acidic.
4. (noun) bitterness, sour taste, bitter taste, acidity.
Me horopū ngā pire, kia kore ai koe e rongo i te kawa (PK 2008:136). / The pills should be swallowed whole so that you don't taste the bitterness.
