Trail boards

(Shipbuilding) the carved boards on both sides of the cutwater near the figurehead.

See also: Trail

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Imaginatively illustrated trail boards depict the original wooden Norman fortress and the medieval settlement that once stood on this large 26 acre site where the 1978-1992 excavations uncovered some 200,000 artefacts.