ˈlȯgə(r) also ˈläg- noun
( -s )
Etymology: log (I) + -er
1.
a. : one who is engaged in the action or business of logging — called also lumberjack ; compare lumberman
b. : a worker who insulates petroleum pipelines and tanks and still towers against heat radiation and absorption
2.
[ log (II) + -er ]
: a device that automatically records data especially about temperature or humidity or barometric pressure or other physical conditions