Standard Lemma guide

chalaza

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /kəˈleɪzə/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The location where the nucellus attaches to the integuments, opposite the micropyle.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

One of the two spiral bands which attach the yolk of an egg to the eggshell, suspending it in the white.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: animal tissue

4

noun

Meaning 4

basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: plant part, plant structure

History

Etymology

From Ancient Greek χάλαζα (khálaza, “hailstone, lump”).

Across languages

Translations

19 source translations are retained for this English entry.

  • Afrikaans: haelsnoer — zoology: spiral band
  • Catalan: calaza — zoology: spiral band
  • Chinese Cantonese: 卵帶 /卵带 (leon5 daai3) — zoology: spiral band
  • Dutch: hagelsnoer — zoology: spiral band
  • Finnish: valkuaisnuora — zoology: spiral band
  • Finnish: valkuaisside — zoology: spiral band
  • French: chalaze — zoology: spiral band
  • German: Hagelschnur — zoology: spiral band
  • German: Chalaza — zoology: spiral band
  • Japanese: カラザ (karaza) — zoology: spiral band
  • Korean: 난대 (nandae) — zoology: spiral band
  • Polish: chalaza — zoology: spiral band
  • Portuguese: calaza — zoology: spiral band
  • Spanish: chalaza — zoology: spiral band
  • Catalan: calaza — botany: location
  • Finnish: kalatsa — botany: location
  • Polish: chalaza — botany: location
  • Portuguese: calaza — botany: location
  • Spanish: chalaza — botany: location