draught-free en · ADJ
Etymology
From draught + -free.
Meanings
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(UK, not-comparable) Without or not suffering from draughts (currents of air).
The engine was Class "3" 2-6-2 tank No. 82013, with Driver Sampson (Exmouth), and its roomy draught-free cab was a striking contrast to the spartan comfort offered on the Drummond tank.
1960 June, R. C. Riley, “The coastal branches of South-East Devon: Part Two”, in Trains Illustrated, page 337: