A sealing material used to seal joints between heterogeneous materials in many kinds of construction and manufacture.Oakum was used for the caulking of the hulls of wooden ships.
2001, Middle Age: A Romance, Joyce Carol Oates (Fourth Estate, paperback edition, 17)Marina's bedroom was a small charming room with small charming windows of aged glass, dating to the mid-1800s, windowpanes badly in need of caulking, overlooking St. Agnes Roman Catholic Church with its heraldic spire floating on the night sky, and its ancient bumpy churchyard.