Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: French
Origin: plateforme 'diagram, map', from plat 'flat' + forme 'form'

platform

noun
     
plat‧form W3 [countable]
1

train

TTT especially British English the raised place beside a railway track where you get on and off a train in a station:
The Edinburgh train will depart from platform six.
2

for speeches

TBB a stage for people to stand on when they are making a speech, performing etc:
a small raised platform at one end of the room
3

politics

a) [usually singular]PP the main ideas and aims of a political party, especially the ones that they state just before an election [↪ plank]:
a strong women's rights platform
the Labour party platform
b) a chance for someone to express their opinions, especially their political opinions
platform for
The conference provides a platform for people on the left wing of the party.
4

structure

TB a tall structure built so that people can stand or work above the surrounding area:
an oil exploration platform
5TD

computers

TD the type of computer system or software that someone uses:
the UNIX platform
a multimedia platform
6

express ideas

an opportunity to express your ideas to a large number of people
platform for
We mustn't give these groups a platform for their propaganda.
7

bus

British EnglishTTC the open part at the back of some double-decker buses, where passengers get on and off
8

shoes

platforms

also platform shoes [plural]DCC shoes that have a thick layer of wood, leather etc under the front part and the heel

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