n. 推磨的人, 研磨者

[化] 磨床; 磨木机; 研磨机

[医] 磨牙, 磨[床]工

Grinder \Grind"er\, n.
1. One who, or that which, grinds.

2. One of the double teeth, used to grind or masticate the
food; a molar.

3. (Zo["o]l.) The restless flycatcher ({Seisura inquieta}) of
Australia; -- called also {restless thrush} and {volatile
thrush}. It makes a noise like a scissors grinder, to
which the name alludes.

4. A submarine sandwich. [local, U.S.]

Syn: submarine, hoagie.
[PJC]

{Grinder's asthma}, {Grinder's phthisis}, or {Grinder's rot}
(Med.), a lung disease produced by the mechanical
irritation of the particles of steel and stone given off
in the operation of grinding.

Sub \Sub\, n.
1. A subordinate; a subaltern. [Colloq.]

2. a shortened form of {submarine}, the boat.
[PJC]

3. a shortened form of {submarine sandwich}; also called
{hero}, {hero sandwich}, and {grinder}.
[PJC]


submarine sandwich \sub`ma*rine" sand"wich\, n.
A large sandwich on an elongated roll, usually incompletely
cut into two halves, filed with various cold cuts, meatballs,
lettuce, cheese, tomatoes, olives, etc., and spiced
variously, and often having oil or other dressing applied;
called also {hoagie}, {hero}, {hero sandwich}, {grinder},
{sub}, {submarine}, {poor boy}, and {Italian sandwich}. A
single such sandwich may consitute a substantial meal. Very
large variants are sometimes prepared for social gatherings
and cut into pieces for individual consumption.
[PJC]


hoagie \hoagie\, hoagy \hoagy\n.
a large sandwich on a long crusty roll that is split
lengthwise and filled with meats and cheese (and tomato and
onion and lettuce and condiments); different names are used
in different sections of the U. S., such as {hero},
{grinder}, and {submarine}.

Syn: bomber, grinder, hero, hero sandwich, hoagie, Cuban
sandwich, Italian sandwich, poor boy, sub, submarine,
submarine sandwich, torpedo, wedge, zep.
[WordNet 1.5]