aeronautics obsolete an aircraft that has an annular wing with the fuselage and engine on the centre line
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for coleopter
Historical Examples of coleopter
The coffee borer is the larva of a coleopter (Xylotrechus quadripes) which injures and destroys the trees by boring into the wood.