1 [no object] (of cows and certain other large animals) give birth to a calf:Galloway cows have wide pelvises and calve easily (as noun calving)calving takes place in the spring
[with object] (of a person) help (a cow) give birth to a calf:people often used to come for him to help calve their cows
2 [with object] (of an iceberg or glacier) split and shed (a smaller mass of ice):glaciers were calving icebergs directly into the sea
[no object] (of a mass of ice) split off from an iceberg or glacier:ice calved off a glacier with a loud explosive crumble
