The Winter Triangle is a shape that connects the brightest stars in the night sky.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

When learning Japanese grammar, it is important to understand verbs in the lower monograde conjugation.

I hurried down the lower two steps.

He is the unsung hero of the team.

My stomach hurt, so I took a laxative.

He started a special exercise to train his infraspinatus muscle.

He is doing a special exercise to train his inferior oblique muscle.

He is doing a special exercise to strengthen his inferior rectus muscle.

He is doing special exercises to strengthen his depressor muscle.