An abnormally high level of xanthine in one's urine. / The genetic disorder that causes this.

(US, politics, idiomatic, usually followed by for) Supportive, approving, favorably disposed. / (idiomatic, informal) In a state of decline, failure, or prolonged poor performance.

An aphthous ulcer; an open sore in the mouth, or rarely a break in the mucous membrane or the epithelium on the lips or surrounding the mouth.

plural of true leaf