estro
Spanish, noun/ˈestɾo/
estro is spelled E-S-T-R-O (5 letters) and appears about once in every 9 million words in written Spanish, the 110,969th most frequent Spanish word form (wordfreq, 2021 data). Estro is a Spanish masculine noun meaning “gadfly” (English Wiktionary, September 2026). The Spanish Wiktionary (Wikcionario) defines it as “Ardoroso y eficaz estímulo con que se inflaman, al componer sus obras, los poetas y artistas capaces de…”.
What does estro mean in English?
noun
- 1
masculinegadfly
- 2
masculineinspiration
- 3
masculineestrus
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
noun: 1. Ardoroso y eficaz estímulo con que se inflaman, al componer sus obras, los poetas y artistas capaces de sentirlo. 2. Larva de un insecto díptero de dos centímetros de largo y forma elipsoidal, once anillos espinosos en su borde posterior, y boca con trompa y dos ganchos cómeos. Sus diferentes especies viven parásitas sobre el buey, el caballo, el carnero y otros mamíferos. 3. Este mismo insecto (estro₂) en su forma adulta. 4. Dicho de los mamíferos, período en que la hembra es receptiva sexualmente.
The definition in the Spanish Wiktionary (Wikcionario), in Spanish.
Source: Spanish Wiktionary (Wikcionario), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of estro
- estros plural
Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce estro?
- /ˈestɾo/
- [ˈes.t̪ɾo]
- [ˈest̪ɾo]
Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to estro
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is estro in Spanish?
estro appears about once in every 9 million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).