Definition of jack-in-the-pulpit
- any of several small plants of the arum family, in particular.
- a North American arum with a green or purple-brown spathe. Genus Arisaema, family Araceae: three species, the woodland jack-in-the-pulpit (A. atrorubens), the small (or swamp) jack-in-the-pulpit (A. triphyllum), and the northern jack-in-the-pulpit (A. stewardsonii). another term for cuckoopint
mid 19th century: so named because the erect spadix overarched by the spathe resembles a person in a pulpit