The headword, evidently quoted from somewhere (probably Homer, where it occurs once in the Iliad and 4 times in the Odyssey; cf. next note), is a neuter noun in the nominative/accusative plural.
[1] Likewise or similarly in other lexica (see the references at Photius mu227 Theodoridis), including Apollonius' Homeric Lexicon.
[2] See LSJ s.v. at web address 1.
[3] Greek Anthology 6 (Dedicatory Epigrams) 39.5 (Archias), again at pi 2005, a dedication to Athena by three sisters of their spinning and weaving instruments; cf. Gow and Page (vol. I, 404-405); (vol. II, 437); and further extracts from this epigram at alpha 3749, alpha 4378, mu 1135, tau 38, and chi 208.
[4] kerki/da can also mean "weaver's shuttle" (see LSJ s.v. web address 2, and kappa 1400). In the context of the Anthology, Paton explains: "the kerki\s is the comb with which the threads of the woof are driven home in the upright loom" (p.380 n.2).