limber

nouns

a two-wheeled horse-drawn vehicle used to pull a field gun or caisson
is a type of (narrower)
a wheeled vehicle drawn by one or more horses

verbs

attach the limber
"limber a cannon"
cause to become limber
"The violist limbered her wrists before the concert"
is a type of (narrower)
cause to do preliminary exercises so as to stretch the muscles
"The coach warmed up the players before the game"

adjectives

(used of e.g. personality traits) readily adaptable
"a supple mind"; "a limber imagination"
(used of artifacts) easily bent
is similar to
able to flex; able to bend easily
"slim flexible birches"
(used of persons' bodies) capable of moving or bending freely