To be on the fence

Fence Fence (f[e^]ns), n. [Abbrev. from defence.] 1. That which fends off attack or danger; a defense; a protection; a cover; security; shield. [1913 Webster]

Let us be backed with God and with the seas, Which he hath given for fence impregnable. --Shak. [1913 Webster]

A fence betwixt us and the victor's wrath. --Addison. [1913 Webster]

2. An inclosure about a field or other space, or about any object; especially, an inclosing structure of wood, iron, or other material, intended to prevent intrusion from without or straying from within. [1913 Webster]

Leaps o'er the fence with ease into the fold. --Milton. [1913 Webster]

Note: In England a hedge, ditch, or wall, as well as a structure of boards, palings, or rails, is called a fence. [1913 Webster]

3. (Locks) A projection on the bolt, which passes through the tumbler gates in locking and unlocking. [1913 Webster]

4. Self-defense by the use of the sword; the art and practice of fencing and sword play; hence, skill in debate and repartee. See {Fencing}. [1913 Webster]

Enjoy your dear wit, and gay rhetoric, That hath so well been taught her dazzing fence. --Milton. [1913 Webster]

Of dauntless courage and consummate skill in fence. --Macaulay. [1913 Webster]

5. A receiver of stolen goods, or a place where they are received. [Slang] --Mayhew. [1913 Webster]

{Fence month} (Forest Law), the month in which female deer are fawning, when hunting is prohibited. --Bullokar.

{Fence roof}, a covering for defense. ``They fitted their shields close to one another in manner of a fence roof.'' --Holland.

{Fence time}, the breeding time of fish or game, when they should not be killed.

{Rail fence}, a fence made of rails, sometimes supported by posts.

{Ring fence}, a fence which encircles a large area, or a whole estate, within one inclosure.

{Worm fence}, a zigzag fence composed of rails crossing one another at their ends; -- called also {snake fence}, or {Virginia rail fence}.

{To be on the fence}, to be undecided or uncommitted in respect to two opposing parties or policies. [Colloq.] [1913 Webster]