Any shellfish which casts its shell, such as a lobster.
A surveyor.
A snail's shell.
A land-based snail.
Any land or marine reptile of the order Testudines, characterised by a protective shell enclosing its body. See also tortoise.
A small element towards the end of a list of items to be bubble sorted, and thus tending to take a long time to be swapped into its correct position. Compare rabbit.
A type of robot having a domed case (and so resembling the reptile), used in education, especially for making line drawings by means of a computer program.
An Ancient Roman attack method, where the shields held by the soldiers hide them, not only left, right, front and back, but also from above.
A low stand for a lamp etc.
A breakdancing move consisting of a float during which the dancer's weight shifts from one hand to the other, producing rotation or a circular "walk".
An on-screen cursor that serves the same function as a turtle for drawing.
A marine reptile of that order.
The curved plate in which the form is held in a type-revolving cylinder press.
To turn and swim upside down.
To hunt turtles, especially in the water.
To build up a large defense force and strike only occasionally, rather than going for an offensive strategy.
To flip over onto the back or top; to turn upside down.
To move along slowly.