Dictionary entry

Preclude

Webster's Dictionary 1913

Pre‐clude″ (?), v. t. [imp. & p. p.Precluded; p. pr. & vb. n.Precluding.] [L. praecludere, praeclusum; prae before + claudere to shut. See Close, v.] 1. To put a barrier before; hence, to shut out; to hinder; to stop; to impede.

The valves preclude the blood from entering the veins. E. Darwin.

2. To shut out by anticipative action; to prevent or hinder by necessary consequence or implication; to deter action of, access to, employment of, etc.; to render ineffectual; to obviate by anticipation.

This much will obviate and preclude the objections. Bentley.