The term 'quiver' can be defined as a slight, rapid shaking movement or a trembling sensation. The crossword solutions for this term are JAR (3 letters), BEAT (4 letters), TWITCH (6 letters), FLAP (4 letters), FLIT (4 letters), JERK (4 letters), THRILL (6 letters), SHAKE (5 letters), TREMOR (6 letters), PULSATE (7 letters), SHUDDER (7 letters), and VIBRATE (7 letters). All of these words describe a type of movement that is similar to quivering, such as a JAR which is a container that shakes, a BEAT which is a regular pulsing sound, a TWITCH which is a sudden, brief movement, a FLAP which is a quick movement of wings, a FLIT which is a quick, light movement, a JERK which is an abrupt, jerky motion, a THRILL which is an intense emotion, a SHAKE which is a trembling motion, a TREMOR which is a slight trembling, a PULSATE which is a rhythmic throbbing, a SHUDDER which is a sudden, violent shaking, and a VIBRATE which is a rapid back-and-forth motion.