pseudobulb

[ soo-duh-buhlb ]
/ ˈsu dəˌbʌlb /

noun Botany.

an enlarged, aboveground portion of stem, present in many tropical orchids, in which moisture is stored.

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Origin of pseudobulb

First recorded in 1825–35; pseudo- + bulb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for pseudobulb

pseudobulb
[ sōōdō-bŭlb′ ]

A thickened, bulblike, fleshy stem located above the ground, as in many orchids. See also bulb corm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.