Entry 1 sense Webster, 1913 Laminar /lăm'-ĭn-ẽr/ · Lam·i·nar · IPA /ˈlæmɪnə/ 01 a. In, or consisting of, thin plates or layers; having the form of a thin plate or lamina. 1. In, or consisting of, thin plates or layers; having the form of a thin plate or lamina.