vest vb [Anglo-French vestir, literally, to clothe, from Old French, from Latin vestire]
vt
1 a: to place in the possession, discretion, or province of some person or authority
all legislative powers herein granted shall be vest ed in a Congress of the United States — U.S. Constitution art. I
a timely notice of appeal vest s jurisdiction in the appeals court; specif: to give to a person a fixed and immediate right of present or future enjoyment of (as an estate)
an interest vest ed in the beneficiary
b: to grant or endow with a particular authority, right, or property
vest a judge with discretion
vi: to become vested; specif: to entitle one unconditionally to the payment of pension benefits upon termination or retirement
his pension interest will vest after ten years with the company compare mature
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.