English Dictionary

rail

/ɹeɪl/

noun

A horizontal bar extending between supports and used for support or as a barrier; a railing. / The metal bar forming part of the track for a railroad.

The train runs on the rail.

意味（1）

A horizontal bar extending between supports and used for support or as a barrier; a railing.

Old Applegate, in the stern, just set and looked at me, and Lord James, amidship, waved both arms and kept hollering for help. I took a couple of everlasting big strokes and managed to grab hold of the skiff's rail, close to the stern.

意味（2）

The metal bar forming part of the track for a railroad.

A moving platform scheme[…]is more technologically ambitious than maglev trains even though it relies on conventional rails. Local trains would use side-by-side rails to roll alongside intercity trains and allow passengers to switch trains by stepping through docking bays.

意味（3）

A railroad; a railway, as a means of transportation.

We travelled to the seaside by rail.

意味（4）

(electronics) A conductor maintained at a fixed electrical potential relative to ground, to which other circuit components are connected.

ISA devices draw power from the +5V, -5V, +12V, and -12V rails of the power supply unit.

意味（5）

A horizontal piece of wood that serves to separate sections of a door or window.

意味（6）

(surfing) One of the lengthwise edges of a surfboard.

Rails alone can only ever have a marginal effect on a board's general turning ability.

意味（7）

(Internet) A vertical section on one side of a web page.

We're experimenting with ads in the right-hand rail.

意味（8）

(drugs) A large line (portion or serving of a powdery illegal drug).

Do a couple rails and chase your own tail