[1850â55; probably < Shelta mÅ­nnik name (alleged to be a permutation and extension of Irish ainm name)] - Originally meant a mark left by a tramp on a building or fence to indicate he/she had been there; therefore, a tramp's moniker identified him/her like a signature.
Define laccolith: a mass of igneous rock that is intruded between sedimentary beds and produces a domical bulging of the overlying strata a mass of igneous rock that is intruded between sedimentary beds and produces a domical bulging of the overlying strataâ¦ See the full definition
Lacunar stroke or lacunar infarct (LACI) is a type of stroke that results from occlusion of one of the penetrating arteries that provides blood to the brain's deep structures. silent lacunar infarction (SLI) is one type of silent stroke which usually shows no identifiable outward symptoms thus the term silent. Individuals who suffer a SLI are often completely unaware they have suffered a stroke.