['neikә]
n.
定音鼓

Naker \Na"ker\, n. (Zo["o]l.)
Same as {Nacre}.


Naker \Na"ker\, n. [OE. nakere, F. nakaire, LL. nacara, Per.
naq[=a]ret.]
A kind of kettledrum. [Obs.] -- Chaucer.

Nacre \Na"cre\ (n[=a]"k[~e]r), n. [F., cf. Sp. n['a]cara,
n['a]car, It. nacchera, naccaro, LL. nacara, nacrum; of
Oriental origin, cf. Ar. nak[=i]r hollowed.] (Zo["o]l.)
A pearly substance which lines the interior of many shells,
and is most perfect in the mother-of-pearl. [Written also
{nacker} and {naker}.] See {Pearl}, and {Mother-of-pearl}.