What does the word "mortar" mean in the following passage? When the last grain of corn was ground into flour, Kaddo called the girls together and said, “Now bring water from the spring. We shall mix it with the corn flour to make mortar out of it.” So the girls brought water in water pots and mixed it with the flour to make a thick mortar. Then Kaddo ordered them to make bricks out of the mortar.
1.the name of Kaddo's village


2.a mixture used to hold bricks or stones together


3.flour