v. t. & i. [ imp. & p. p. Chinsed p. pr. & vb. n. Chinsing. ] (Naut.) To thrust oakum into (seams or chinks) with a chisel , the point of a knife, or a chinsing iron; to calk slightly. [ 1913 Webster ]
Chinsing iron, a light calking iron. [ 1913 Webster ]