1. A radiographic indicator that is associated with an ulcerating carcinoma, in which the outline of the stomach is crescentic with overhanging edges: A meniscus sign may be seen in lung abscesses, tumors, hematomas (swellings filled with blood as a result of a broken blood vessel), granulomatous infections (inflammatory lesion or wound), and Rasmussen's aneurysms (fatal hemorrhages in pulmonary tuberculosis).
2. A snapping or clicking associated with a torn cartilage in the knee: When there are indications of damaged menisci in the knees, then those signals are referred to as meniscus signs of damage.