the GNU version of the Collaborative International Dictionary of English
adj. Having the form of a vessel, or duct.
The Century Dictionary and Cyclopedia
Having the form of a duct or other vessel; of the nature of a vas or vasculum; tubular..
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. constituting a tube; having hollow tubes (as for the passage of fluids)
Word Usage
"Lingula: in Aleurodidae, a more or less slender tongue or strap-shaped organ, attached cephalad within the vasiform orifice: a term proposed by Leuckart for the ligula of the bees."