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shaped like a bunch of grapes
[C19: from New Latin aciniformis; see acinus]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(əˈsɪn əˌfɔrm)

clustered like grapes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
which glands are used to produce the silk (e.g., aciniform, ampullate,
Spidroins have been classified into seven categories according to their protein sequences and functions; these categories include aciniform silk for wrapping prey (and tying down partners for mating); and the super-strong major ampullate silk from which spiders (and Spider-Man) swing while at work.
For instance, aciniform silk is used by spiders to wrap their prey or to tie down their partners while they mate, and major ampullate silk make the super-strong strands on which spiders swing while they move about.
28); PMS with three large cylindrical gland spigots, one small minor ampullate gland spigot and one aciniform gland spigot (Fig.
Carbon blacks are characterized by their aciniform morphology or grape-like structure comprised of particles fused together as rigid structures termed aggregates.
They wrap these freshly caught snacks in another silk, called aciniform silk.
25) fuscous brown, with numerous aciniform glands spigots (ac) and minor ampullate gland spigot (ma); PLS (Fig.
The spiders wrap their captured prey with aciniform silk and construct their egg sacs primarily from tnbuliform silk.
Peters (1993) found that aciniform glands were responsible for production of stabilimentum silk.
Wolf spiders have four types of silk glands: piriform, ampullate, aciniform and tubuliform (Richter 1970).
2001; Bosselaers & Jocque 2002); PMS of female with one small minor ampullate gland spigot, two aciniform gland spigots, and five large cylindrical gland spigots (Fig.