adj. required or mandatory; something that must be done.

n. a curve traced by a point on a circle rolling around the outside of another circle.

n. a small item kept for remembrance or sentiment.

n. a person who receives benefits or gifts.

adj. providing additional help or support.

n. a condition where blood has fewer red cells.

n. the act of carefully cutting apart a body or object to study its parts.

v. to refuse to acknowledge or maintain a relationship with someone.

n. a department responsible for supplying food and equipment.