shaped like a spinning top; spirally twisted
• (a.) Formed or shaped like a top. • (a.) Coiled into the shape of a screw or a helix.
Strom·bu'li·form adjective [ New Latin strombulus , dim. of strombus + -form . See Strombus .] 1. (Geol.) Formed or shaped like a top. 2. (Botany) Coiled into the shape of a screw or a helix.