• (a.) Flat and thin; lamelliform; composed of lamellae.
1. Arranged in thin plates or scales. ... Synonym: lamellate, lamellated. ... 2. Relating to lamellae. ... (05 Mar 2000) ... 
Synonym of scaly: Aggregate of small, flattened, overlapping crystals, as seen in fish scales.
Lam'el·lar adjective [ Confer French lamellaire .] Flat and thin; lamelliform; composed of lamellæ. -- Lam'el*lar*ly adverb In thin plates or scales. 
Type: Term Pronunciation: lam′ĕ-lăr, lă-mel′ăr Definitions: 1. Arranged in thin plates or scales. 2. Relating to lamellae. Synonyms: lamellate, lamellated
Lamellar refers to composed of thin layers, scales, or plates
lamellar 1. Referring to a lamella or lamellae. 2. Noting a type of armor composed of small plates or lames laced together.
Describes the microscopic structure of clay–that of thin flat scales.