tadu 2 noun English. A thin steel can holding exactly five gallons. Synonym. lata particle English. A five-gallon measurement. Example sentence: Subanen. Pikuy, pautang mau pa palay mu, telu tadu laak, pu' migela'anu palay taun keni. English. Pikoy, please lend me some of your rice, just three five-gallon cans" worth; I'm all out of rice this season.