Acacia definition

ə-kāshə
Frequency:
Any of several other plants in the pea family, especially of the genus Robinia.
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Any of various often spiny trees or shrubs of the genus Acacia in the pea family, having alternate, bipinnately compound leaves or leaves represented by flattened leafstalks and heads or spikes of small flowers.
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Any of several trees, shrubs, or other plants (genus Acacia) of the mimosa family, with clusters of yellow or white flowers: many are cultivated as ornamentals, and some yield gum arabic, dyes, or perfumes.
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The flower.
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(countable, botany) A shrub or tree of the genus Acacia, or from a species formerly classified in this genus, or believed to belong to the genus. [First attested around 1350 to 1470.]
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(uncountable, pharmacy) The thickened or dried juice of several species of Acacia, in particular Acacia nilotica, the Egyptian acacia. [First attested around 1350 to 1470.]
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A false acacia; robinia tree, Robinia pseudoacacia. [First attested in the mid 17th century.]
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(uncountable) Gum arabic; gum acacia. [First attested in the early 19th century.]
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(loosely) Any of several related trees, such as the locust.
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A light to moderate greenish yellow with a hint of red.
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(history, classical studies) A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals.
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A taxonomic genus within the family Leguminosae — mostly thornless Australasian shrubs and trees. [2000-]
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(superseded) A genus that included all the genera now included in tribe Acacieae.
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An epithet in a botanical name at the rank between species and genus, a name which applies to a section of the genus Acacia.
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Other Word Forms

Noun

Singular:
acacia
Plural:
acacias

Origin of acacia

  • Middle English from Latin from Greek akakiā

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin acacia, from Ancient Greek ἀκακία (akakia, “shittah tree”), from ἀκή (akē, “point”), probably from Egyptian.

    From Wiktionary

  • From Ancient Greek ἀκακία (akakia, “shittah tree”), from ἀκή (akē, “point”), probably from Egyptian.

    From Wiktionary

  • First attested before 1398.

    From Wiktionary

  • Unknown.

    From Wiktionary