hco

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|astronomy}} {{initialism of|en|w:Harvard College Observatory}}.

Noun

1. {{initialism of|en|[[hearing]] [[carryover]]}}, a service or [[device]] that allows speech-disabled users with hearing to listen to the person they are calling.

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