If someone ululates, they make quickly repeated loud sounds, often to express sorrow or happiness. They ululated like Red Indians He let out this long ululating moan. to cry out with a long high sound, especially because you are very sad or in pain = wail (past participle of ululare, from the sound)
A semi-circular "woman's knife", used by the Inuit and their ancestors, commonly made from slate in the prehistoric period, and iron in the historic period
{i} all purpose knife with a wide almost semicircular blade attached to a short handle at a right angle of the not sharpened side (traditional tool used by Inuit/Eskimo women)