plural of permutation group

(mythology) A mythical lion of ancient Nemea that was invulnerable to attack by weapons and was slain by Hercules as one of his labours.

present participle of take it on the lam

(anatomy) A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.