Dill \Dill\ (d[i^]l), n. [AS dile; akin to D. dille, OHG. tilli, G. dill, dille, Sw. dill, Dan. dild.] (Bot.) An herb ({Peucedanum graveolens}), the seeds of which are moderately warming, pungent, and aromatic, and were formerly used as a soothing medicine for children; -- called also {dillseed}.