boatfly
/ˈbəʊtflʌɪ/Chiefly British. Now rare
noun
A predatory water boatman of the genus Notonecta (family Notonectidae), which swims on its back using its long hind legs as oars.
Origin
Late 17th century; earliest use found in Nehemiah Grew (a1641–1712), botanist and physician. From boat + fly.
- aerolitic
- aerologic
- aerological
- aerologist
- aerology
- aeromagnetic
- aeromagnetometer
- aeromancer
- aeromancy
- aeromantic
- aeromechanic
- aeromechanical
- aeromechanics
- aeromedical
- aeromedicine
- aero meet
- aerometeorograph
- aerometer
- aerometric
- aerometry
- aeromodeller
- aeromodelling
- aero-modellist
- aeromotive
- aeromotor