Webster's Revised Unabridged Dictionary · 1913

Reconnoiter

Reconnoiter (r?k`?n*noi"t?r) , transitive verb

[French reconnoitre, a former spelling of reconnaître. See Recognize.]

1.
To examine with the eye to make a preliminary examination or survey of; esp., to survey with a view to military or engineering operations.
2.
To recognize. [Obsolete] — Sir H. Walpole

Also: Reconnoitre