dropple means A drop (of rain, dew, etc).
Etymology
drop + -le; compare droplet, Limburgish dróppel.
noun
- A drop (of rain, dew, etc).“... dropple of dew / The white on her neck & the dun on her breast / The wood piegon loiters right full in thy view / On the maple that hangs oer the path with a nest / A few sticks accross & the eggs shining through / Just under the maple […]”