[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
A laccolith is often smaller than a stock, which is another type of igneous intrusion, and usually is less than 16 km (10 miles) in diameter; the thickness of laccoliths ranges from hundreds of metres to a few thousand metres.