a thing which can be added to something else in order to make it more useful, versatile, or attractive
someone who gives assistance to the perpetrator of a crime without taking part in it
a thing which can be added to something else in order to make it more useful, versatile, or attractive
any of various cells of the immune system that interact with T lymphocytes in the initiation of the immune response
each of the eleventh pair of cranial nerves, supplying certain muscles in the neck and shoulder
a constituent mineral present in small quantity and not taken into account in identifying a rock
a person who incites or assists someone to commit an arrestable offence (or knowingly aids someone who has committed such an offence)