What is the meaning of Nags?

plural of nag

fingernail (thin, curved horny plate on the back surface of a (human) fingertip).

claw (horny formation at the tip of an animal's toe).

hand

dexterity, skill, knack, special talent

a protrusion or formation resembling such a horny plate

a crescent-shaped protrusion of a hat above the forehead

difficulty, great effort

misfortune, desperate situation

cataract, glaucoma

↑ Karulis, Konstantīns (1992), “nags”, in Latviešu Etimoloģijas Vārdnīca [Latvian Etymological Dictionary]‎ (in Latvian), Rīga: AVOTS, →ISBN

Source: wiktionary.org