a combining form meaning “prior, original, first” (archegonium; archetype); in scientific coinages, a synonym of (archesporium).
noting or pertaining to rocks of the Archeozoic portion of the Precambrian Era. Historical Examples With the passing of the Archean, the earth had not yet settled into the perfectly balanced sphere which Nature destined it to be. The Book of the National Parks Robert Sterling Yard At the bottom of the sea were the […]
a bench or settle of the medieval and Renaissance periods, wide enough for several persons and having a seat with a chest beneath, arms at the ends, and a high back.
made, covered, or spanned with an or . having the form of an . Heraldry. noting an ordinary or partition line formed as a slight curve. Architecture. a curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in […]
- Arched truss
a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.