n. 1
A tall, narrow structure (significantly taller than it is wide, either standing alone or forming part of a larger structure.
an observation tower, an isolated watch tower, a church tower, conning tower
n. 2
A tall, narrow structure (significantly taller than it is wide, either standing alone or forming part of a larger structure. A very tall open-framed structure on which communications devices are installed.
signal tower, radio tower, cell tower
v. 1
To be very tall; to reach a high height.
The office block towered into the sky.
v. 2
To be high or lofty; to soar.

Related words

Phrases: bell tower conning tower fire tower fire tower stairway observation tower power tower tower of silence transmission tower

Forms

Plural: towers → towboats, heaves, tugs, pillars…
Past participle: towered
e.g. towered → hulked, loomed, predominated, ascended…

Use in printed books, per decade from 1850 to 2019.

3 letters: tug¹
4 letters: keep¹, rise¹, dome¹, hulk¹, soar¹, loom¹
5 letters: mount¹, arise², spire¹, heave¹, pylon²
6 letters: castle², column², pillar², aspire², turret², ascend², cupola³, belfry², donjon
7 letters: citadel³, steeple², minaret³, overtop, towboat²
8 letters: fortress², barbican
9 letters: campanile
10 letters: stronghold²
11 letters: predominate⁴

The small number after each word is its number of syllables (arise² = 2 syllables).