† diˈssept,v.Obs.rare. [f. L. dissæpt-ppl. stem of dissæpīre to separate, part off, f. dis- 1 + sæpīre (sēpīre) to hedge off, f.sæpes a hedge.] trans. To divide by a partition; to partition off. 1657Tomlinson Renou's Disp. 347 Certain aculeated cups..dissepted with little fences.