資料來源 : pyDict
滾筒,輥子,滾轉機
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Roller \Roll"er\, n.
1. One who, or that which, rolls; especially, a cylinder,
sometimes grooved, of wood, stone, metal, etc., used in
husbandry and the arts.
2. A bandage; a fillet; properly, a long and broad bandage
used in surgery.
3. (Naut.) One of series of long, heavy waves which roll in
upon a coast, sometimes in calm weather.
4. A long, belt-formed towel, to be suspended on a rolling
cylinder; -- called also {roller towel}.
5. (Print.) A cylinder coated with a composition made
principally of glue and molassess, with which forms of
type are inked previously to taking an impression from
them. --W. Savage.
6. A long cylinder on which something is rolled up; as, the
roller of a man.
7. A small wheel, as of a caster, a roller skate, etc.
8. (Zo["o]l.) ANy insect whose larva rolls up leaves; a leaf
roller. see {Tortrix}.
9. [CF. F. rollier.] (Zo["o]l.) Any one of numerous species
of Old World picarian birds of the family {Coraciad[ae]}.
The name alludes to their habit of suddenly turning over
or ``tumbling'' in flight.
Note: Many of the species are brilliantly colored. The common
European species ({Coracias garrula}) has the head,
neck, and under parts light blue varied with green, the
scapulars chestnut brown, and the tail blue, green, and
black. The broad-billed rollers of India and Africa
belong to the genus {Eurystomus}, as the oriental
roller ({E. orientalis}), and the Australian roller, or
dollar bird ({E. Pacificus}). The latter is dark brown
on the head and neck, sea green on the back, and bright
blue on the throat, base of the tail, and parts of the
wings. It has a silvery-white spot on the middle of
each wing.
資料來源 : WordNet®
roller
n 1: a grounder that rolls along the infield
2: a long heavy sea wave as it advances towards the shore [syn:
{roll}, {rolling wave}]
3: a small wheel without spokes (as on a roller skate)
4: a cylinder that revolves
5: a mechanical device consisting of a cylindrical tube around
which the hair is wound to curl it; "a woman with her head
full of curlers is not a pretty sight" [syn: {curler}, {hair
curler}, {crimper}]
6: Old World bird that tumbles or rolls in flight; related to
kingfishers
7: pigeon that executes backward somersaults in flight or on
the ground [syn: {tumbler}, {tumbler pigeon}]