Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search



From Ancient Greek ἄπτερος (ápteros), derived from ἀ- (a-, without) + πτερόν (pterón, wing).


  • IPA(key): /ˈ
  • Rhymes: -attero
  • Hyphenation: àt‧te‧ro


attero (feminine attera, masculine plural atteri, feminine plural attere)

  1. apterous, wingless
  2. (architecture) apteral (without lateral columns)

Further reading[edit]

  • attero in – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana



Alternative forms[edit]


From ad- +‎ terō.



atterō (present infinitive atterere, perfect active attrīvī, supine attrītum); third conjugation

  1. I rub (against)
  2. I grind
  3. I chafe
  4. I wear (away), weaken or impair; I attrit


   Conjugation of atterō (third conjugation)
indicative singular plural
first second third first second third
active present atterō atteris atterit atterimus atteritis atterunt
imperfect atterēbam atterēbās atterēbat atterēbāmus atterēbātis atterēbant
future atteram atterēs atteret atterēmus atterētis atterent
perfect attrīvī attrīvistī attrīvit attrīvimus attrīvistis attrīvērunt, attrīvēre
pluperfect attrīveram attrīverās attrīverat attrīverāmus attrīverātis attrīverant
future perfect attrīverō attrīveris attrīverit attrīverimus attrīveritis attrīverint
passive present atteror attereris, atterere atteritur atterimur atteriminī atteruntur
imperfect atterēbar atterēbāris, atterēbāre atterēbātur atterēbāmur atterēbāminī atterēbantur
future atterar atterēris, atterēre atterētur atterēmur atterēminī atterentur
perfect attrītus + present active indicative of sum
pluperfect attrītus + imperfect active indicative of sum
future perfect attrītus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present atteram atterās atterat atterāmus atterātis atterant
imperfect attererem attererēs attereret attererēmus attererētis attererent
perfect attrīverim attrīverīs attrīverit attrīverīmus attrīverītis attrīverint
pluperfect attrīvissem attrīvissēs attrīvisset attrīvissēmus attrīvissētis attrīvissent
passive present atterar atterāris, atterāre atterātur atterāmur atterāminī atterantur
imperfect attererer attererēris, attererēre attererētur attererēmur attererēminī attererentur
perfect attrītus + present active subjunctive of sum
pluperfect attrītus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present attere atterite
future atteritō atteritō atteritōte atteruntō
passive present atterere atteriminī
future atteritor atteritor atteruntor
non-finite forms active passive
present perfect future present perfect future
infinitives atterere attrīvisse attrītūrum esse atterī attrītum esse attrītum īrī
participles atterēns attrītūrus attrītus atterendus, atterundus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
atterendī atterendō atterendum atterendō attrītum attrītū

Derived terms[edit]


  • attero in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • attero in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • attero in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette