wingstroke 
noun
Another term for wingbeat.The droning of its wingstrokes as it flitted from flower to flower fell upon the ear as a token of content....
- Thermals save a flyer from having to use precious stamina on wingstrokes to gain altitude.
- In no other species of katydid or cricket does an individual's past history affect its wingstroke rate or its phrasing.
- with a capital ——
- with a difference
- withal
- with all guns blazing
- with all one's heart (or one's whole heart)
- with all one's might
- with (any or a bit of) luck
- with apologies to
- with a vengeance
- with a view to
- with a will
- with bells on
- with both barrels
- with (brass) knobs on
- with child
- withdraw
- withdrawal
- withdrawal symptoms
- withdrawing room
- withdrawn
- withe
- with effect from
- with effort
- with egg on one's face
- wither