gorgerin

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Architecture The necking of a column.

Century Dictionary and Cyclopedia

1. n. In architecture, the neck of a capital, or more commonly a feature forming the junction between the shaft and the capital; a necking.
2. n. A name for the gorget, plastron, or hausse-col—that is, for any piece of armor covering the throat; especially, a second thickness bolted upon the cuirass of tilting-armor at the throat.

Wiktionary

1. n. architecture In some columns, that part of the capital between the termination of the shaft and the annulet of the echinus, or the space between two neck moldings; the hypotrachelium.

GNU Webster's 1913

1. n. (Arch.) In some columns, that part of the capital between the termination of the shaft and the annulet of the echinus, or the space between two neck moldings; -- called also neck of the capital, and hypotrachelium. See Illust. of column.

WordNet 3.0

1. n. the molding at the top of a column