The word semee is an old word that is best translated as “strewn” or “scattered with” and refers to the background of the shield, or large shapes upon, being sprinkled with a large number of the following objects. A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Seme In this case semee of crosses crosslet means that the field is covered with small crosses, each arm of which is also crossed. The resulting pattern is particularly pleasing and of course signals the piety of the holder – indeed Wade believes that it represents “the fourfold mystery of the cross” The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P103Crusily may also be used as an alternate name