1) Brand that became generic 2) Carafe 3) Coffee container 4) Coffee holder 5) Container 6) Container in a lunchbox 7) Drink holder 8) Flagon 9) Hip flask 10) Insulated container 11) It keeps hot things hot 12) Its lid becomes a cup 13) Joe container on the job 14) Lunch box item 15) Lunchbox accessory 1) Carafe 2) Dewar vessel 
[Aetolia] ThermosPronunciation-needed (also known as Thermon Pronunciation-neededor Thermum) was an ancient Greek sanctuary, which served as the regular meeting place of the Aetolian League. Its focal point was the temple of Apollo Thermios famous for the archaic terra cotta metopes decorated with painted scenes from mythology which are amo...
[n] - vacuum flask that preserves temperature of hot or cold drinks
thermos bottle noun vacuum flask that preserves temperature of hot or cold drinks