reigle
noun1
A hollow cut or channel for guiding anything.
- In one of the corners next the sea, standeth a flood-gate, to bee drawne vp and let downe through reigles in the side postes1609, Richard Carew, The Survey of Cornwall, London: […] S[imon] S[tafford] for Iohn Iaggard, […], →OCLC: