Which Words

Which is the correct meaning for these words?

1 TETRARCH

(a) A poem, stanza or set of four lines (b) The number four (c) One of four joint rulers or chiefs

2 UTRICLE

(a) A small sac or baglike body (b) The middle tunic of the eye (c) A muscular duct or tube

3 WARABI

(a) A shrub or small tree of eastern Australia (b) A wild horse (c) The smallest rock wallaby