1. (noun) the highest point (of something)

• acme
• apex
• peak

1. (noun) the highest point (of something)

• crown
• roof peak

1. (noun) the point of intersection of lines or the point opposite the base of a figure

• intersection
• intersection point
• point of intersection

2. (noun) the highest point (of something)

• extreme
• extreme point
• extremum

1. (noun) the highest point (of something)

• apical