Harelip (noun)

1. A congenital defect in which the upper lip and nose fail to develop properly, leaving an opening in the upper lip.
2. A congenital cleft lip, a type of congenital malformation which is caused by a failure of fusion of the lateral nasal and maxillary processes.

Origin:

The word is derived from the middle english word "hare" which means "deformed" or "crooked" and "lip" which refers to the protrusion of cleft palate.

Examples:

1. He was born with a harelip and had to have surgery to correct it.
2. The baby was born with a harelip and required multiple surgeries to correct the deformity.
3. The harelip caused difficulty in eating, speaking, and breathing.
4. The child with harelip was bullied by other children at school.
5. The harelip was repaired through surgery, but the child still had difficulty speaking.