also: いちげん · いちごん
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
single word; a few words; brief comment
Refers to one short utterance, remark, or comment. Common in set-like phrases such as 一言お願いします, 一言言う, and 一言させてください; 一言する means to make a brief comment or say a few words.
彼の一言で、会議の空気が変わった。
His single remark changed the atmosphere of the meeting.
最後
Please say a few words at the end.
その点について、一言させてください。
Please let me make a brief comment on that point.