Learner's definition of FLAX
[noncount]
1
: a plant that has blue flowers and that is grown for its fiber and its seed亚麻 ◊ The fiber of flax is used to make linen and the seed is used to make linseed oil.亚麻纤维用于制造亚麻布，亚麻籽用于提炼亚麻籽油。
2
: the fiber of the flax plant亚麻纤维