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.
Outfit #2- With jeans. Now it is perfectly fine to wear a tunic with a pair of skinny jeans. However, it is important to point out that if you have wide hips and thighs the size of them may be overemphasized if you wear a tunic with them, especially if that tunic ends at the widest part of your hips.
Suit trousers, also known as dress pants in the US, are a style of trousers intended as formal or semi-formal wear. They are often made of either wool or polyester (although many other synthetic and natural textiles are used) and may be designed to be worn with a matching suit jacket.