Flanged railway wheel. A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tram wheel.
noun, plural subtleties. 1. the state or quality of being subtle. 2. delicacy or nicety of character or meaning. 3. acuteness or penetration of mind; delicacy of discrimination. 4. a fine-drawn distinction; refinement of reasoning: the subtleties of logic.
A bitty is an over intoxicated female who frequently roams the trashiest bars and dance clubs in your city. Bitties tend to dance on top of speakers, spill drinks every where, puke, and black out. If you see a bitty on the street she will most likely come up to you and sound really loud and obnoxious, do not be scared because the subtle use of sarcasm will forever render the bitty confused.