- any of a genus (Silphium) of North American plants of the composite family that have resinous juice, sticky foliage, and strong odors, including the compass plant
- any of several similar resinous plants
- The compass plant.
- (US, California) Any of various composite plants which secrete resins or have a resinous smell.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.