Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Old French
Origin: tire 'order, rank'; ATTIRE

tier

noun
     
tier [countable]
1TBB one of several levels or layers that rise up one above the other:
The lower tier has 10,000 seats.
in tiers
Terraces of olive trees rose in tiers.
two-tiered/three-tiered etc (=having two, three etc levels or layers)
a three-tiered wedding cake
2 one of several levels in an organization or system
tier of
the most senior tier of management
the first/second etc tier
The second tier of the programme is in-house training.
a two-tier system of government

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary