Definition, synonyms and related words
Acronym of energy recovery system: an electric generation, storage, and propulsion system used in Formula One, which generates electricity by scavenging excess power and energy, stores energy in batteries, and boosts acceleration with electric motors assisting the gasoline engine.
"The hospital staff is constantly busy responding to calls from all over the region's emergency rooms."
plural of ER
"The child hid his toy behind some old boxes in the corner of the room."
Third-person singular simple present indicative form of er
"The teacher ers her students every morning at eight o'clock."
In plain English: To ers means to remove letters from the end of a word, usually turning verbs into nouns.
"The old man uses his cane to steady himself while walking across the icy sidewalk."