12-Letter Words Containing: P,I,L,L,A,R,S

• regeneration on a reduced scale of a body part; observed especially in invertebrates such as certain lobsters

• The mutual exchange of (fluid) food between individuals, especially in social insects.

• in a sporadic manner

• a device for making a record of the wave forms of fluctuating voltages or currents

• (when gas was used for streetlights) a person who lights and extinguishes streetlights