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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. adj. Botany Having the shape of an arrowhead but with the basal lobes pointing outward at right angles: hastate leaves.

Century Dictionary and Cyclopedia

  1. Furnished with a sharp point or head for thrusting or cutting: said of a weapon, such as the spear, pike, partizan, or battle-ax.
  2. Shaped like the head of a spear; specifically, in botany, triangular nearly down to the base, and then abruptly widened into two lateral lobes at right angles to the principal axis: said chiefly of leaves. Polygonum arifolium, the tear-thumb, Atriplex patula, the orache, and Rumex Acetosella, the sheep-sorrel, furnish typical examples.
  3. Also hastiform.

Wiktionary

  1. adj. Of, or pertaining to a spear.
  2. adj. Shaped similarly to a halberd, with pointed lobes pointed outward from the base.

GNU Webster's 1913

  1. adj. Shaped like the head of a halberd; triangular, with the basal angles or lobes spreading.

WordNet 3.0

  1. adj. (of a leaf shape) like a spear point, with flaring pointed lobes at the base

Etymologies

  1. From Latin hasta, spear.

Examples

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‘hastate’ has been looked up 897 times, added to 7 lists, and has a Scrabble score of 10.