calamus

In the garden grow "an orchard of pomegranates . . . spikenard and saffron; calamus and cinnamon, with all trees of frankincense".

From The Guardian ● Jan. 29, 2011

The central axis is divisible into two distinct parts,—a hollow, cylindrical, transparent calamus, or “quill,” the base of which is inserted into the skin, and a solid, quadrangular rhachis or “shaft” which supports the vane.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" by Various

At their bases these rudimentary barbs meet to form the calamus.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" by Various

Bromfield, Dr., sterility of the ivy and Acorus calamus, ii.

From The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Darwin, Charles

It is recognized by converging fibres which look like a pen, and are therefore called the calamus scriptorius, or writer’s pen.

From Buchanan's Journal of Man, May 1887 Volume 1, Number 4 by Buchanan, Joseph R. (Joseph Rodes)

This contains "oleum calami," and the bitter principle "acorin."

From Herbal Simples Approved for Modern Uses of Cure by Fernie, William Thomas

I think this must have been a lapsus calami on Voltaire's part, because it is unlikely that he would have invented such a story.

From The Koran (Al-Qur'an) by Sale, George

This should be Fort Clark, not Fort Leavenworth—an evident lapsus calami.

From Travels in the Interior of North America, Part I, (Being Chapters I-XV of the London Edition, 1843) Early Western Travels, 1748-1846, Volume XXII by Maximilian, Alexander Philipp

We omit translation of the words ”los seis,” “the six,” as being apparently a lapsus calami.

From The Philippine Islands, 1493-1898 — Volume 18 of 55 1617-1620 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, Showing the Political, Economic, Commercial and Religious Conditions of Those Islands from Their Earliest Relations with European Nations to the Close of the Nineteenth Century by Robertson, James Alexander

It can, therefore, have been a mere lapsus calami on her part, as this eminently sensible woman was incapable of the silly weakness of concealing her age.

From Maria Edgeworth by Zimmern, Helen