1 an ocean 20-.
2 water 20-. etymology: perhaps Cant; forms montyclear/ monteclear attested by Galloway and Perthshire and Argyleshire Tinkler-Gypsies, BS in TDITA and SS; monteclear form sense 2 collected by EMcC/PS; monticlear collected by RD; sense 1 attested by JS; sense 2 and form monteclara attested by SR