The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata, Cicuta bulbifera, and Cicuta virosa, and the Conium maculatum. See Conium.

An evergreen tree common in North America (Abies Canadensis or Tsuga Canadensis); hemlock spruce.

Hemlokki Hemlock A coniferous (softwood) tree species.

Hemlock is a heavy metal band from Las Vegas, Nevada. The band has been together for more than 13 years (placing their origin circa 1993), and has played concerts with likes of Lamb of God, Hatebreed, Soulfly, Otep, Slipknot, Snot, Coal Chamber, Drowning Pool, Hed Planet Earth, and Chimaira. Hemlock frequently plays shows with thrash metal band Slayer and has received touring sponsorship with Jagermeister on the Jägermeister Music Tour through this alliance.

Hemlock is a free Emacs-style text editor for most POSIX-compliant Unix systems. It follows the tradition of the Lisp Machine editor ZWEI and the ITS/TOPS-20 implementation of Emacs, but differs from many other Emacs variants in that is written in Common Lisp rather than the usual Emacs Lisp — that is, the Lisp machine and ITS Emacs have largely been rewritten in Common Lisp, borrowing features from later variants of Emacs like XEmacs or GNU Emacs.

The wood or timber of the hemlock tree.

soft coarse splintery wood of a hemlock tree especially the western hemlock