erasing company, Lacuna Inc., takes its name from the  Latin word meaning a cavity, hollow, or dip, especially a pool or  pond. Transfiguratively, lacuna comes to mean a gap, deficiency, or  loss. The term "lacunar infarct" refers to a stroke that involves a  small area of the brain responsible for a specific function, or ever  a specific memory. Additionally, in papyrology (the study of ancient  manuscripts) a lacuna is a hole where part of the text is missing,  and which can sometimes be re