undulating

comparative more undulating · superlative most undulating

1. Moving up and down like waves; wavy.

   The Borinage coalfield around Mons is another attractive area for the railway enthusiast; it is rather like South Lancashire, with its gently undulating landscape studded with slag heaps and pithead gear and criss-crossed by railway lines and tramways.

   1960 February, J. N. Faulkner, “The Belgian Railways today”, in Trains Illustrated, page 86

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   From Belgrade the train is hauled by a 2-10-0, and makes good time through undulating country, with vineyards and herds of woolly pigs, over single line to Nish, where the Sofia and Istanbul portion, including through coaches (until recently) from Prague to Sofia, the capital of Bulgaria, is detached.

   1951 November, 'Pausanias', “To Greece by the "Simplon-Orient Express"”, in Railway Magazine, page 731

2. Forming a series of regular curves.

   Along the Ebro, the yellow land rises into undulating mountains, some dotted with thick fir trees, cooling streams, and caves; here the ground is rocky and crumbling, choked with scrub brush and pale grasses that scrape and scratch one's knees.

   2017, Marina Budhos and Marc Aronson, Eyes of the World: Robert Capa, Gerda Taro & The Invention of Modern Photojournalism, page 57

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   Leaving behind us the town at the bottom of its deep bay, we set out to explore a bluff-headed parallelogramical promontory, bounded by Thurso Bay on the one hand, and Murkle Bay on the other, and which presents to the open sea, in the space that stretches between, an undulating line of iron-bound coast, exposed to the roll of the northern ocean.

   1857, Hugh Miller, The Cruise of the Betsey

1. gerundparticiplepresentpresent participle and gerund of undulate

plural undulatings

1. undulation

   In good poetry every word and phrase, as Professor McKail says, reverberates like the sound of a lyre, and leaves after it numberless undulatings. The verse exhales sweet sound, and light-like thought, as perfumes do; but we cannot explain just why.

   1930, John Thomas Ingram Bryan, The Philosophy of English Literature, page 27