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processionary

British  
/ prəˈsɛʃənərɪ /

adjective

  1. of, relating to, or moving in a procession

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a processionary moth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For example, the oak processionary moth, whose caterpillars infest oak trees, thrive in these shorter cold spells making the oaks more vulnerable to attack from other parasites, he says.

From BBC

Do you know an Asian hornet or an oak processionary moth caterpillar when you see one?

From BBC

But following a this year’s mild spring and warm, dry summer, the oak processionary’s nests have been found in large numbers all over the country.

From The Guardian

Oak processionary moth caterpillars, named after the nose-to-tail processions they form to travel between the oak trees they devour, have fine, long hairs with an irritating toxin that can cause blistering rashes, feverish dizzy spells and asthma attacks.

From The Guardian

“The oak processionary infestation this year is very intensive – much more than last year,” said the park’s manager, Frank Dartsch.

From The Guardian