Definition of galea in US English:


nounPlural galeas, Plural galeae

Zoology Botany
  • A structure shaped like a helmet.

    • ‘Without dissection the cardo can seldom be seen; the stipes is usually at least partially visible; the galeae, when developed into the haustellum, become prominent, and can be seen in part even in the more primitive state; the palp, when reduced, is frequently completely hidden,’
    • ‘The cervix and paired episternal sclerites are visible below the galeae.’
    • ‘The galeae are hollow yet contain muscles, tracheae, nerves and an open circulatory system.’
    • ‘As the periosteum and galea reaffix in their new, higher positions, the body absorbs the device.’
    • ‘When feeding the honey bee dips its tongue into the nectar which adheres and the the tongue is retracted so that adhering liquid is carried into the space between the galeae and labial palps.’


Mid 19th century: from Latin, literally ‘helmet’.