tuay noun English. Small (8 cm.) edible clam; gen. for several species of clams. Example sentence: Subanen. Sa' tugbenga ditug lunsud, saluya pa tuay, pu' ugbaan ku su belulunganen. English. When you go to town, buy some clams, so that I can make lime out of the shells. In group with: budenay; kalaykay; kima; liteb; mena'ug; punaw Generic. seda'