quaver
verb (used without object)
to shake tremulously; quiver or tremble.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The owls are quavering, two, now three, And all the green is graying; The owls our trysting dials be— There is no time for staying.
From Days and Dreams Poems by Madison J. Cawein