Meaning of REAMER in English

REAMER

I. ˈrēmə(r) noun

( -s )

Etymology: ream (V) + -er

: one that reams: as

a.

(1) : a rotating finishing tool with straight or spiral cutting edges used to enlarge or shape a hole

(2) : a drilling tool for enlarging a bored well or for making the borehole circular when the drill has failed to do so

(3) : a chisel for cutting two V-shaped grooves from a round blasthole in the line of the desired rift

(4) : an instrument used in dentistry to enlarge a hole in a tooth preparatory to filling the hole

b. : a fruit squeezer with a ridged and pointed dome projecting from the hollowed center of a plate

c. : a worker who enlarges or shapes holes or smooths a bore with a reamer

II. transitive verb

( -ed/-ing/-s )

: to use a reamer on

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.