1. plural of 'er'; a hesitation sound or filler word used when speaking
Usage: informal; usually used in the phrase 'ums and ers' to describe speech patterns
2. a vetch plant (genus Ervum), especially one used as animal feed
Usage: chiefly British; agricultural

Examples

• His speech was full of ums and ers.
• She paused with an er before answering the difficult question.
• The farmer planted ers in the field to feed the livestock.
• Public speakers often try to eliminate ers from their presentations.
• The candidate's nervous ers were noticeable during the interview.