sill - (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock. geology - a science that deals with the history of the earth as recorded in rocks. rock, stone - a lump or mass of hard consolidated mineral matter; he threw a rock at me. Translations.
1 Select a tunic that is appropriate for you place of workâavoid low necklines and do not wear a tunic as a dress. 2  Pair your tunic with slim cropped pants, skinny trousers, or a knee-length pencil skirt. 3  Dress up your tunic with a pair of heels.  Add a chunky necklace or scarf, a blazer or sweater, and tote bag.
An Animated History of Pants. As previously noted on Brow Beat, high-ranking Roman cavalry soldiers are to thank (or blame) for the bifurcated, insulating bottom layer we call pants. In order to comfortably accommodate their riding (and chafing) lifestyle, officers ejected the traditional tunic for the trouser.