We found one dictionary that defines the word time-marker or time marker:

Science (1 matching dictionary)

1. Archaeology Wordsmith (No longer online)

▸ Words similar to time-marker or time marker ▸ Usage examples for time-marker or time marker ▸ Idioms related to time-marker or time marker ▸ Wikipedia articles (New!) ▸ Words that often appear near time-marker or time marker ▸ Rhymes of time-marker or time marker ▸ Invented words related to time-marker or time marker