(archaic, literary) Constituted of or covered with cedar trees; made of cedar wood.
1637, John Milton, Comus, London: Humphrey Robinson, p. 34,
And west winds, with muskie wing
About the cedar’n alleys fling
Nard, and Cassia’s balmie smells.
1923, Lucy Maud Montgomery, “Hill o’ the Winds” in Love Story Magazine Volume 10, No. 2, 17 March, 1923, Chapter 2,
“Do you,” said Romney shamelessly, “happen to know who the enchanted princess is who walks occasionally in yonder fair pleasance beyond the cedarn hedge?”