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n. pl. pi·le·i (-lē-ī′)
1. Botany The umbrellalike fruiting structure forming the top of a stalked fleshy fungus, such as a mushroom; the cap.
2. A brimless round skullcap worn by ancient Romans.
3. See caul.

[New Latin pīleus, from Latin, cap.]


(ˈpaɪlɪəs; ˈpɪl-)
n, pl -lei (-lɪˌaɪ)
(Botany) the upper cap-shaped part of a mushroom or similar spore-producing body
[C18 (botanical use): New Latin, from Latin: felt cap]


(ˈpaɪ li əs, ˈpɪl i-)

n., pl. pi•le•i (ˈpaɪ liˌaɪ, ˈpɪl iˌaɪ)
1. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap.
2. the umbrella or bell of a jellyfish.
3. pileum.
4. a felt skullcap worn by the ancient Romans and Greeks.
[1750–60; < New Latin; Latin pīleus felt cap; akin to Greek pîlos felt, felt cap]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pileus - a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroompileus - a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
fungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
plant part, plant structure - any part of a plant or fungus
References in periodicals archive ?
CAE as 1 176/1 169-158 PAE as 177/1 169-158 PT as 178/1 169-158 CINA as 179/1 169-158 BAL as 180/1 169-158 SAX as 181/1 169-158 pilei as 182/2 169-158 grifo, cabeza de as liebre 183/1 169-158 loba y gemelos as 184/1 169-158 mariposa y vid as 185/1 169-158 VARO as 1 186/1 169-158 MVRENA as 186/Av 169-158 MVR as 187/2 169-158 PVR as 188/1 169-158 OPEIMI as 188/2 169-158 OPEIMI semis 1 189/1 169-158 P.
Ya desde los anos sesenta la linguistica del espanol ha contado con una experiencia previa en la elaboracion de corpus, una experiencia originada desde la dialectologia o, si se quiere, desde la dialectologia social: el proyecto para el estudio de la norma culta de la lengua espanola, conocido como PILEI (Lope Blanch 1986).
Una seria alternativa, mejor adaptada a las exigencias conceptuales del pluricentrismo, surge con el esfuerzo heroico de la ALFAL, que ya desde 1964 desarrolla el conocido proyecto PILEI ("Estudio coordinado de la norma linguistica culta").
Preparation of single spore isolates (SSIs): Fresh and mature pilei were selected and detached with a sterile knife (Bao et al.
The observed amino acid pattern in this study may have been contributed by the differences in the growth substrate, size of the pilei and species or strain of mushroom among others [20].