Home › Words › M › micropilemicropilemicropile means microfleece (material).EtymologyFrom micro- + pile.nounMicrofleece (material).A type of very small diameter pile used in building/construction.Opening in the seed coat which allows water to enter.An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted.Definitions & examples from Wiktionary (CC BY-SA 3.0).