Standard Lemma guide

midline

adj · 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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  • CMU ARPABET: M IH1 D L AY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of or pertaining to such a line.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The medial line (or plane) of the body, which divides the body into halves that are mirror-images of each other.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The level of the top of the x-height of a typeface.

Definition source: English Wiktionary via Wiktextract

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the median plane of the body (or some part of the body)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: midplane

Antonyms: none provided

Broader terms: plane, sheet

History

Etymology

Etymology tree Proto-Indo-European *me Proto-Indo-European *dheh1-? Proto-Indo-European *-dhe Proto-Indo-European *médhi Proto-Indo-European *-os Proto-Indo-European *médhyos Proto-Germanic *midjaz Proto-West Germanic *midi Old English midd Middle English mid English mid English mid- English line English midline From mid- + line.

Across languages

Translations

1 source translations are retained for this English entry.

  • Czech: středová čára — medial line