Bowtell

A bowtell, boutell or boltell was an old English term for a round architectural moulding or bead. The term was also applied to the small shafts of clustered pillars, windows and door jambs, mullions etc
Found on http://www.probertencyclopaedia.com/browse/TB.HTM

Bowtell

Bowtell is derived from the medieval term bottle; in architecture it refers to a round or corniced molding below the abacus in a Tuscan or Roman Doric capital; the word is a variant of boltel, which is probably the diminutive of bolt, the shaft of an arrow or javelin. A roving bowtell is one which passes up the side of a bench end and round a fini...
Found on http://en.wikipedia.org/wiki/Bowtell
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