excurrent

American  

[ik-skur-uhnt, -skuhr-] / ɪkˈskɜr ənt, -ˈskʌr- /

adjective

1. running out or forth.

2. Zoology. giving passage outward; affording exit.

   the excurrent canal of certain sponges.

3. Botany.

   1. having the axis prolonged so as to form an undivided main stem or trunk, as the stem of the spruce.

   2. projecting beyond the apex, as the midrib in certain leaves.

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excurrent British  

/ ɛkˈskʌrənt /

adjective

1. zoology having an outward flow, as certain pores in sponges, ducts, etc

2. botany

   1. (of veins) extending beyond the margin of the leaf

   2. having an undivided main stem or trunk, as the spruce and other conifers

3. flowing or running in an outward direction

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Etymology

Origin of excurrent

1595–1605; < Latin excurrent- (stem of excurrēns ) present participle of excurrere to run forth. See ex- ¹, current