1. Having a spiny border

See also: bordered

• Picidae
• piciform bird
• Piciformes
• pick
• pick and choose
• pick apart
• pick at
• pick on
• pick out
• pick over
• pick up the gauntlet
• pick up the tab
• Pick's disease
• wave-off
• wave-particle duality
• waveband
• waveform
• wavefront
• wavefunction
• waveguide
• wavelength
• wavelet
• wavelike
• Wavell
• waver