| SIL | shrub of eastern North America closely resembling silky cornel |
|---|---|
| SIL | shrub of eastern North America having purplish stems and blue fruit |
| SIL | large tree of Australasia |
| SIL | medium to tall fast-growing tree with orange flowers and feathery bipinnate leaves silky-hairy beneath |
| SIL | small pale yellowish soft-furred rodent of southwestern United States and Mexico |
| SIL | golden South American monkey with long soft hair forming a mane |
| SIL | Australian breed of toy dogs having a silky blue coat |
| SIL | North American willow with grayish silky pubescent leaves that usually blacken in drying |
| SIL | small shrubby tree of western North America (Alaska to Oregon) |
| SIL | a wisteria of China having white flowers |
| SIL | structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure |
| SIL | (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock |