Asser, ásseris, pen. corr. vel Assis, huius assis, m. gen. Plaut.A shingle: a clouen boorde: a planke: a punchion or ioyste of r. or xii. foote long, also the brest bone ouer the heart, called also Scutum cordis.
Asso, assas, assare. Vide suo loco.
Lewis and Short: Latin dictionary
asser, ĕris, m. [from 2. assero, quod admoveantur haereantque parietibus, Perot.; so agger from aggero]. I.A beam, pole, stake, post, Vitr. 7, 3: Co. Sunt asseres? St. Sunt pol, Plaut. Aul. 2, 6, 8: asseres pedum XII., cuspidibus praefixi in terră defigebantur, Caes. B. C. 2, 2; Liv. 44, 5; 30, 10; 38, 5; Tac. H. 4, 30; Vulg. Eccli. 29, 29 al.—II.A pole on which a litter was borne, Suet. Calig. 58; Juv. 3, 245; 7, 132.—III.A lath, Vitr. 4, 2.