
1) Civil engineering term 2) Underwater concrete depositor
Found on
https://www.crosswordclues.com/clue/tremie

The tremie concrete placement method uses a pipe, through which concrete is placed below water level. The lower end of the pipe is kept immersed in fresh concrete so that the rising concrete from the bottom displaces the water without washing out the cement content. ==Applications== ===Caissons=== Concrete is often poured through a tremie pipe in ...
Found on
http://en.wikipedia.org/wiki/Tremie

• (n.) An apparatus for depositing and consolidating concrete under water, essentially a tube of wood or sheet metal with a hooperlike top. It is usually handled by a crane.
Found on
http://thinkexist.com/dictionary/meaning/tremie/

A tube with removable sections and a funnel at the top used in concrete application. The bottom is kept beneath the surface of the concrete and raised as the form is filled and is used to pour concrete underwater.
Found on
http://www.encyclo.co.uk/local/20933

Device used to place concrete or grout under water.
Found on
https://www.encyclo.co.uk/local/20094

A pipe through which concrete may be placed under water, having at its upper end a hopper for filling, and a bale which permits handling of the assembly by a derrick.
Found on
https://www.encyclo.co.uk/local/21066
No exact match found.