a crystal glass with a heavy base
At the base of the cliff was a rocky beach.
an army/navy/air force base
an old military base
During the day you can visit all of our museums or schools or even the air force base, which is open from 9 o'clock. (First Certificate in English; B2; Portuguese)
I spend a lot of time in Dallas, but Chicago is still my base.
Nice is an excellent base for exploring the French Riviera.
It also has a function as a base for the fishing industry. Being located [o]n the coast, our town's key industry is fishing. (Certificate of Proficiency in English; C2; Japanese)
a solid economic base
Apart from the economic base of tourism, there are other beneficial aspects to consider. (Certificate of Proficiency in English; C2; Portuguese)
He was based in South Carolina.
The name of the company is Lilley's Bookshop and it is based in Central London. (First Certificate in English; B2; Catalan)
The film is based on a short story by Thomas Mann.
This is an exciting film based on the musical "The Phantom of the Opera". (Preliminary English Test; B1; Swiss German)