name · noun · verb · 22 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
17
noun
Meaning 17
Archaic form of loo (“card game”).
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, archaic, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
18
noun
Meaning 18
Synonym of route or circuit, an administrative division of imperial China.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: route or circuit
Antonyms: none provided
19
noun
Meaning 19
Initialism of livestock unit.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
20
noun
Meaning 20
A matrix decomposition which writes a matrix as the product of a lower and upper triangular matrix, used in numerical analysis to solve systems of linear equations or find the inverse of a matrix.
Definition source: English Wiktionary via Wiktextract
Topics: linear-algebra, mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
21
verb
Meaning 21
Archaic form of loo (“beat at card game”).
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, archaic
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
22
noun
Meaning 22
a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: lutetium, lutecium, atomic number 71
Antonyms: none provided
Broader terms: metallic element, metal
History
Etymology
Clipping of Lucy, Lucille, and similar names.
From Mandarin surname pronunciations
From Hokkien 呂 /吕 (Lū).
From Mandarin 魯 /鲁 (lǔ, “Lǔ”) pronunciation of Chinese 魯 /鲁 (lǔ).