From BiblePortal Wikipedia

Wilson's Dictionary of Bible Types [1]

Since the number seven is the number which indicates GOD's perfections in His creation activities, the number fourteen may be used to represent that same precious truth doubled or repeated.

 Genesis 31:41 (c) It may be used as a type of the wonderful and complete service of our Lord in calling, preserving, and maintaining both Israel and the church.

 1 Kings 8:65 (c) This indicates that the worship of GOD's people was full and complete both for their salvation and their preservation.

 Matthew 1:17 (c) This reveals GOD's great accuracy and perfection in controlling the genealogy of Christ.

 Galatians 2:1 (c) This reveals that Paul was unusually careful to take the full time necessary to prepare himself adequately for the service of his Lord.

Webster's Dictionary [2]

(1): ( n.) The sum of ten and four; forteen units or objects.

(2): ( n.) A symbol representing fourteen, as 14 or xiv.

(3): ( a.) Four and ten more; twice seven.

King James Dictionary [3]

Fourteen, a. four and ten. Four and ten twice seven.