A natural yellow pigment derived from lead(II) chromate.

Used to ask whether somebody is a parent of children.

A small butterfly (Colias hyale) of the family Pieridae found in most of Europe and large parts of Asia.

Used to ask whether or not products or services may be paid for by credit card.

Used to ask whether the interlocutor is an owner of pets.

Indicates that the speaker likes the interlocutor.

plural of yellow card

A request for help.

Asked mostly by doctors and nurses to ascertain whether certain medications should not be given to patients.

Asked mostly by doctors and nurses to ascertain whether certain drugs should not be given to patients, as they may interact adversely with other medications.