Word of the Day

noun

The flying squirrel uses its two patagia to glide from tree to tree.

"One of the key identification marks is the dark leading edge of the wing, called the patagium. These marks on the under wing are only found on the red-tailed hawk." — From an article by Bill Fenimore, The Salt Lake Tribune, February 6, 2012

In Latin, "patagium" referred to a gold edging or border on a woman's tunic, but in English its uses have been primarily scientific. It entered the English language in the early 19th century and was used by entomologists to refer to a process on the back of the foremost segment of an insect. Zoologists borrowed it as a word for the fold of skin of "flying" mammals and reptiles. Then ornithologists took the word to higher heights by the century's end, applying it to the forward part of the wings of birds.

Test Your Memory: What recent Word of the Day refers to the prominence in front of the external opening of the outer ear? The answer is ...

Visit our archives to see previous selections »

An expressive t-shirt:

"Use Your Words"

Browse all items »

Theme music by Joshua Stamper ©2006 New Jerusalem Music/ASCAP