• 1  da ad. to become round

• 2  du ad. [biribilean bildu] to round (off), to make round

• 3  du ad. to roll up; to coil

  egunkaria biribildu: to roll up a newspaper

• 4  du ad. (hed.) to round sth off, to round sth out; to polish sth (up)

  testu bat biribildu: to polish a text

• 5  du ad. [zenbakiak] to round up/down