porcupine definition by Wordo

Noun

Any

of

several

rodents

of

either

of

the

taxonomic

families

(

Old World porcupines

)

or

(

New World porcupines

),

both

from

the

infraorder

,

noted

for

their

sharp

spines

or

quills

,

which

are

raised

when

the

animal

is

attacked

or

surprised

.