sil / sill [sɪl]
sil – n. – a moderate orange yellow that is yellower and darker than deep chrome yellow pigment - a mixture of limonite usually with clay and silica
sill – n. – 1. the lowest horizontal piece that forms the bottom of a frame especially in architecture; 2. the floor of a coal seam; 3. a tabular body of igneous rock injected while molten between sedimentary or volcanic beds; v. – supply with a horizontal lower piece