underdrift means having the gearing that turns the millstone beneath the floor. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From under- + drift.
adj
- Having the gearing that turns the millstone beneath the floor.“The overdrift method in smock mills may be seen at Punnetts Town, and the underdrift at Shipley.”
noun
- An underlying meaning that is not made explicit.“Now, Lydia, looking two ways, seemed to see double, but even she did not discover the subtle underdrift which gave this poem a distinct meaning for two persons.”
- Synonym of undertow.“This alone, except the underdrift from breakers, brings new materials to form an original deposit in the sea.”