signallersig‧nal‧ler /ˈsɪɡnələ $ -ər/ noun [countable] British English

- Being explicit about internal state is an obvious advantage to the signaller as well as to the receiver.
- In one case a signaller worked 30 consecutive days.
nounsignsignalsignatorysignaturesigningsignallerverbsignsignaladjectivesigned ≠ unsignedadverbsignally