apteryx /apˈtə-riks/

A member of the flightless genus of birds, Apteryx, the kiwis, found in New Zealand, having vestigial wings, no tail, reddish-brown feathers that lack aftershafts, and being about the size of a large hen

apterygial /-tər-ijˈi-əl/ adjective (zoology)

Lacking paired limbs

Apterygota /ap-ter-i-gōˈtə/ plural noun

A class of primitive insects, wingless, without metamorphosis (ie bristle-tails, silverfish, springtails, but see collembolan)

• not the full shilling
• not the word for it
• not to be sneezed at
• not to be sniffed at
• not to give a monkey's
• not to have a ghost
• not to have a ghost of a chance
• not to know a B from a battledore
• not to lead the life of a dog
• not to mention
• not to put too fine a point on it
• not to say
• not touch with a bargepole
• not to worry
• Notts.
• not turn a hair
• notum
• notungulate
• notungulates
• not unnaturally
• not up
• photogenic
• photogenies
• photogens
• photogeny