Curved downward or having a downward curve, especially used in biology to describe the shape of organisms or body parts.
From Latin de- (down) + curvus (curved). The prefix de- indicates downward direction, while curvus means curved, creating a compound meaning 'curved down' that became common in scientific terminology.
Bird beaks are often described as decurved, like a hummingbird's beak that curves down perfectly for drinking from flowers—it's one of nature's brilliant design solutions!
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