Kecksy \Keck"sy\, n.; pl. Kecksies (-s[i^]z). [Properly pl. of kex. See Kex.]

(Bot.) The hollow stalk of an umbelliferous plant, such as the cow parsnip or the hemlock. [Written also kex, and in pl., kecks, kaxes.]

Nothing teems But hateful docks, rough thistles, kecksies, burs. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)