/lu:t; lut/
n stringed musical instrument with a pear-shaped body, used mainly from the 14th to the 18th centuries and played by plucking with the fingers 诗琴（主要在14-18世纪使用的梨形拨弦乐器）.

/lu:t; lut/
n [U] type of clay or cement used for filling holes, sealing joints, etc 封泥（封堵洞穴接缝等的黏土或水泥）.

v [Tn] treat (sth) with lute2 用封泥封（某物）.

n

[Date: 1200-1300; Language: Old French;Origin: lut, from Old Provençal laut, from Arabic al-'ud 'the wood'] [C]
a musical instrument like a guitar with a round body, played with the fingers or a plectrum (=small piece of plastic, metal etc) , especially in the past
>lutenist ['luːtənɪst/