Definition of "adroop"

Not seldom in this life, when, on the right side, fortune’s favourites sail close by us, we, though all adroop before, catch somewhat of the rushing breeze, and joyfully feel our bagging sails fill out.

1851 November 14, Herman Melville, “Chapter 116”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, page 549

His friend Lou looked dismal in the rain, hat brim adroop, eyebrows soggy,

1968, Robert Coover, chapter 2, in The Universal Baseball Association, Inc., J. Henry Waugh, Prop.‎, New York: Random House, page 51

For a second I had that image of myself again, hunched hugely on my chair, pink lower lip adroop and enormous hands lying helplessly before me on the table, a great ape, captive, tranquillised and bleary.

2005, John Banville, The Sea, Leicester: W. F. Howes, Part 2, p. 187

fair long rows of orchard trees, adroop with rosy fruit

1891, Elizabeth Akers, “In the Fields”, in The High-Top Sweeting and Other Poems‎, New York: Scribner, page 57

a crushed stone walk between hedges adroop with riotously colored fruits

1945, Gardner Fox, “Man Nth”, in Planet Stories‎

a drive adroop with Spanish moss from the pillared veranda of an antebellum mansion

1994, William Gaddis, A Frolic of His Own‎, New York: Scribner, published 1995, page 244