thumb
nounThe short thick digit of the human hand, next to the index finger and opposable to each of the other four digits.
nounA corresponding digit in other animals, especially primates.
nounThe part of a glove or mitten that covers the thumb.
nounAn ovolo.
intransitive verbTo scan (written matter) by turning over pages with or as if with the thumb.
intransitive verbTo disarrange, soil, or wear by careless or frequent handling.
intransitive verbTo solicit (a ride) from a passing vehicle by signaling with the thumb.
intransitive verbTo scan written matter by turning over pages with or as if with the thumb.
intransitive verbTo hitchhike.