- Laughing gas
- Laughing Laugh"ing, a. & n.
from {Laugh}, v. i.
[1913 Webster]
{Laughing falcon} (Zo["o]l.), a South American hawk ({Herpetotheres cachinnans}); -- so called from its notes, which resemble a shrill laugh.
{Laughing gas} (Chem.), hyponitrous oxide, or protoxide of nitrogen
{Laughing goose} (Zo["o]l.), the European white-fronted goose.
{Laughing gull}. (Zo["o]l.) (a) A common European gull ({Xema ridibundus}); -- called also {pewit}, {black cap}, {red-legged gull}, and {sea crow}. (b) An American gull ({Larus atricilla}). In summer the head is nearly black, the back slate color, and the five outer primaries black.
{Laughing hyena} (Zo["o]l.), the spotted hyena. See {Hyena}.
{Laughing jackass} (Zo["o]l.), the great brown kingfisher ({Dacelo gigas}), of Australia; -- called also {giant kingfisher}, and {gogobera}.
{Laughing owl} (Zo["o]l.), a peculiar owl ({Sceloglaux albifacies}) of New Zealand, said to be on the verge of extinction. The name alludes to its notes. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
