Each star displays a number. The youth or adult member combines stars to show his or her years of service. For example, a boy who was a Cub Scout for four years and a Boy Scout for six years would wear a four-year service star on a gold backing and a six-year service star on a green backing.
Freebase(0.00 / 0 votes)Rate this definition: In structural geology, a syncline is a fold with younger layers closer to the center of the structure. A synclinorium is a large syncline with superimposed smaller folds. Synclines are typically a downward fold, termed a synformal syncline; but synclines that point upwards, or perched, can be found when strata have been overturned and folded.
streamline (plural streamlines) ( 1 physics) A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow. ( 2 meteorology) On a weather chart, a line that is tangent to the flow of the wind.