bi·fa·cial 
(bī-fāshəl)
(bī-fāshəl)adj.
1. Having two faces, fronts, or façades.
2. Having two opposing surfaces that are alike.
3. Archaeology Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.
bi·facial·ly adv.
- weathercaster
- weathercock
- weather deck
- weathered
- weather eye
- weatherglass
- weather in
- weathering
- weatherize
- weatherliness
- weatherly
- weatherman
- weather map
- weatherproof
- weather ship
- weather station
- weather strip
- weather-strip
- weather stripping
- weathervane
- weather-wise
- weatherworn
- weave
- weaver
- weaverbird