hastate

[has-teyt]

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adjective Botany.

(of a leaf) triangular or shaped like an arrow, with two spreading lobes at the base.

Origin of hastate

1780–90; < Latin hastātus armed with a spear, equivalent to hast(a) spear + -ātus -ate¹

Related formshas·tate·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for hastate

trilateral, cuneate, deltoid, deltoidal, hastate, pyramidal, pyriform, trigonal

Examples from the Web for hastate

Historical Examples of hastate

The hastate leaves are shapely, and the whole plant is charming when grown away from dust.
The Wild Flowers of California: Their Names, Haunts, and Habits
Mary Elizabeth Parsons
Hastate: halbert-shaped: excavated at base and sides but with spreading lobes or angles.
Explanation of Terms Used in Entomology
John. B. Smith
Hastate, or Hastile, shaped like a halberd; furnished with a spreading lobe on each side at the base, 53.
The Elements of Botany
Asa Gray
Hastate, like the head of a halberd—applied to leaves which have a spreading lobe on each side of the base.
Seeds of Michigan Weeds
W. J. (William James) Beal

British Dictionary definitions for hastate

hastate

adjective

(of a leaf) having a pointed tip and two outward-pointing lobes at the base

Word Origin for hastate

C18: from Latin hastātus with a spear, from hasta spear

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012