megalo-, megal-, -megalia, -megaly

1. The abnormal length, or thickness, of the fingernails or toenails.
2. A condition of having unusually large nails.

A giant sensory-nerve ending in Mollusca, such as oysters, snails, squids, and octopi and thought to be photosensitive: Dr. Marshland was conducting comparative studies of the megalaesthetes of both deep sea and tidal pond dwellers.

A reptile, not a dinosaur, from the Late Triassic period.

A condition in which there is an abnormally large, heavy, and usually malfunctioning brain. By definition, the brain weight is greater than average for the age and sex of the infant or child. Head enlargement may be evident at birth or the head may become abnormally large in the early years of life; also called macrencephaly.

Outdated, a very severe pain: Judy suffered from a case of megalgia when she fell from her horse and broke her arm.

A structure or arrangement of large stone slabs; especially, those found in northern and western Europe from the Mesolithic period: Stonehenge in Southern England is one example of megaliths. © ALL rights are reserved.

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In archaeology, referring to, or relating to, megaliths or large stone structures sometimes forming part of a groiup or a circle; such as, megalithic tombs or monuments, megalithic architectures; which are thought to have been important to people in the distant past for social or religious reasons.

Having a large allantois; an animal so characterized.

A “great-swimming lizard” from Late Jurassic Nouth America (Wyoming). Named by W. C. Knight in 1895.

Abnormally large hands.

Having large hands or large tentacles.

Condition characterized by the enlargement of one or more digits (fingers or toes).