n. In elect.: In telegraphy, especially through cables, the discharge current due to the capacity of the line which continues to flow for an appreciable time after the signaling impulse has been received and modifies the character of the latter.n. In automatic teleg., a mark, on the recording-tape of a receiving instrument, which is not caused by the signaling impulse proper but by the discharge current from the line.n. In prospecting for coal, the outcrop of a carbon-carrying stratum at the surface of the ground. Called also smut and blossom. The vein peters out at the surface, or tails away to nothing, but leaves a stain under weathering.n. In building, same as tail, 5 .n. In surgery, same as tail, 5 .n. plural The parts or a part of any incoherent or fluid material separated as refuse, or separately treated as inferior in quality or value; leavings; remainders; dregs.n. In calico-printing, a fault of impression on some part of the fabric, when the colors are blurred or altogether absent, through some defect in operation or treatment.n. A reckoning; tally; account.