-ōrə(r), -ȯrə- noun
( -s )
: one that explores: as
a. : a person who travels or is sent in search of geographical or scientific information
an arctic explorer
b. : a youth of 14 years or over, who participates in an exploring program of the Boy Scouts of America — compare boy scout , cub scout
c. : an instrument for exploring cavities especially in teeth : probe 1a