noun a substance that is burned to produce a fragrant odor
verb to cause to be extremely angry
noun a type of worm that attaches itself to the skin of animals to feed on their blood
verb to cling to someone or something in a parasitic manner
noun a person, typically a woman, who is trained to assist women in childbirth
noun a detrimental effect on health produced by psychological or psychosomatic factors such as negative expectations of treatment or prognosis