furculum

• They lack true eyes, do not possess wings and have, protruding from their abdomens, a "spring tail," called a furculum, (after the Latin word for fork) which is held in place by two tiny hooks. —  Adirondack Daily Enterprise
• The furculum, or merry-thought, which is entire, marks the fore part of the trunk; the ischium, scapula, and most of the wing and leg bones are preserved, and there are impressions of the quill feathers and of down on the body. —  The Antiquity of Man
• The furculum, pelvis, and bones of the tail are in their natural position. —  The Antiquity of Man
• Collembola the basal part of the furculum. —  Explanation of Terms Used in Entomology
• 28] Slender bodies, too, and the lessened divergence of the furculum, [29] would slightly diminish the spread of the wings, and so would affect the measurements taken. —  Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

Allen's Synonyms and Antonyms