arculus

Not valid in Scrabble

It's a recognised English word, but it isn't in the official NASPA Scrabble word list.

Scrabble points
9
Words With Friends
13
Letters
7

Definition of arculus

1 sense · 1 part of speech · etymology included

noun

  1. A crossvein between the radius and cubitus near the base of the wing in certain insects
    “Wing length (the length from the costal end of the vein separating the arculus from the discoidal cell to the tip of the wing) and wing area were calculated for each of the four wings on each individual.”

Definitions from Wiktionary, CC BY-SA.

Etymology

Diminutive of Latin arcus (“bow, curve”).

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