نَخْلَةٌ سَنْهَاءُ

1.
(assumed tropical:) A palm-tree that bears one year and not another: (S, K:) or a palm-tree affected by a year of drought. (S.) And سَنَةٌ سَنْهَاءُ A year in which is no herbage nor rain. (TA.)
2.
See also سَنَةٌ, last sentence but one.

Perseus ID: n20991