abacus

Fetched 2026-10-26 (cache).

Synonyms: aeacus, bacus, abacas, abbacus, acacus

Antonyms: aeacus, bacus, abacas, abbacus, acacus

Related words from Datamuse; suggestions, not definitions.

Noun

{{lb|en|historical|obsolete}} A [[table#Noun|table]] or [[tray]] [[scatter#Verb|scattered]] with [[sand#Noun|sand]] which was [[use#Verb|used]] for [[calculate|calculating]] or [[draw#Verb|drawing]]. {{defdate|attested from c. 1387}}
A [[device]] used for [[perform]]ing [[arithmetical]] [[calculation]]s; {{lb|en|rare}} a table on which [[loose#Adjective|loose]] [[counter]]s are [[place#Verb|placed]], or {{lb|en|more commonly}} an [[instrument]] with [[bead#Noun|beads]] [[slide#Verb|sliding]] on [[rod]]s, or counters in [[groove#Noun|grooves]], with one [[row#Noun|row]] of beads or counters [[represent]]ing [[unit]]s, the next [[ten]]s, etc. {{defdate|from late 17th c.}}
{{lb|en|architecture}} The [[uppermost]] [[portion]] of the [[capital]] of a [[column]] immediately under the [[architrave]], in some cases a [[flat#Adjective|flat]] [[oblong#Adjective|oblong]] or [[square#Adjective|square]] [[slab]], in others more [[decorated#Adjective|decorated]]. {{defdate|from mid 16th c.}}
{{lb|en|Ancient Greece|Ancient Rome|historical}} A [[board#Noun|board]], [[tray]], or table, [[divide]]d into [[perforated#Adjective|perforated]] [[compartment]]s for [[hold#Verb|holding]] [[bottle#Noun|bottles]], [[cup#Noun|cups]], or the like; a [[kind#Noun|kind]] of [[buffet#Noun|buffet]], [[cupboard]], or [[sideboard]]. {{defdate|from late 18th c.}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.