teatud keelpillidel (nt viiulil, tšellol) heli tekitamise vahend, mis koosneb elastsest puitridvast ja selle otste vahele pinguldatud jõhvidest,liikuva keha tekitatud kaar
inglise keelesgrafta means of generating sound on certain strings (e.g. violin, cello) consisting of an elastic wooden lid and cranberries strained between its ends, an arc produced by a moving body
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