IRRUPTION n. 2 definitions
A bursting in; a sudden, violent rushing into a place; as, irruptions of the sea. Lest evil tidings, with too rude irruption Hitting thy aged ear, should pierce too deep. Milton.
JUMPING p.
exican Euphorbia, containing the larva of a moth (Carpocapsa saltitans). The larva by its sudden movements causes the seed to roll to roll and jump about. -- Jumping deer (Zoöl.), a South African rodent (Pedetes Caffer), allied to the jerboa. -- Jumping jack, a toy figure of a man, jointed and made to jump or dance b…