Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cŏquīnārĭus, a, um, adj. [coquina], of or pertaining to the kitchen, culinary (rare): vasa, Plin. 33, 11, 49, § 140.
As the title of a work of Apicius, De arte coquinaria.
Access. form cŏquīnāris, e, adj.: culter, a kitchen-knife, Varr. ap. Non. p. 195, 17.