The ornamental head or capital of a pillar. Three Hebrew words are so rendered.
Cothereth
(1 Kings 7:16; 2Kings 25:17; 2Chr 4:12), meaning a "diadem" or "crown."
Tzepheth
(2 Chronicles 3:15).
Rosh
(Exodus 36:38; 38:17,19,28), properly a "head" or "top."
Source: Easton's Bible Dictionary
Chapiter
CHAPITER, n.
1. The upper part or capital of a column or pillar; a word used in the scriptures. See Capital.
2. That which is delivered by the mouth of the justice in his charge to the inquest.
Source: King James Dictionary
Chapiter
the capital of a pillar; i.e. the upper part, as the term is used in modern architecture.