line of sight

noun phrase

Definition of line of sight

1 : a line from an observer's eye to a distant point
2 : the line between two points specifically : the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the horizon

First Known Use of line of sight

1559, in the meaning defined at sense 1

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More Definitions for line of sight

line of sight

noun

Medical Definition of line of sight

1 : a line from an observer's eye to a distant point