turtle
n.— «They say signals on the mall as well as a ridge of concrete domes, also known as “turtles,” will keep motorists in line.» —“TriMet kicks pedestrian study to curb” by Nick Budnick Portland Tribune (Ore.) Mar. 7, 2006. (source: Double-Tongued Dictionary)
Further reading
The new book Gesture: A Slim Guide (Bookshop|Amazon) by linguist Lauren Gawne includes some fascinating studies about the movements that accompany spoken or signed language. In one, participants were asked to learn rules of a game, then explain...
Following our conversation about the use of the term devil strip to denote the strip of land between sidewalk and street, listeners chimed in with other terms from their areas. In Portland, Maine, some people call it a hell strip. In Washington...